Home / 89,347.05-134,035.16-30,186.27

Finding the Fourth Proportional to 89,347.05, 134,035.16 and 30,186.27

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Solution

The fourth proportional to 89,347.05, 134,035.16 and 30,186.27 is: 45,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,347.05 : 134,035.16 = 30,186.27 : x
  2. Step 2: Convert to fraction form
    89,347.05/134,035.16 = 30,186.27/x
  3. Step 3: Cross multiply
    89,347.05x = 134,035.16 × 30,186.27
  4. Step 4: Simplify right side
    89,347.05x = 4,046,021,378.32
  5. Step 5: Solve for x
    x = 4,046,021,378.32/89,347.05
  6. Step 6: Final answer
    x = 45,284.33

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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.