Home / 89,998.24-134,997.36-70,247.20

Finding the Fourth Proportional to 89,998.24, 134,997.36 and 70,247.20

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Solution

The fourth proportional to 89,998.24, 134,997.36 and 70,247.20 is: 105,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,998.24 : 134,997.36 = 70,247.20 : x
  2. Step 2: Convert to fraction form
    89,998.24/134,997.36 = 70,247.20/x
  3. Step 3: Cross multiply
    89,998.24x = 134,997.36 × 70,247.20
  4. Step 4: Simplify right side
    89,998.24x = 9,483,186,547.39
  5. Step 5: Solve for x
    x = 9,483,186,547.39/89,998.24
  6. Step 6: Final answer
    x = 105,370.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.