Home / 89,023.10-133,534.65-87,079.10

Finding the Fourth Proportional to 89,023.10, 133,534.65 and 87,079.10

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Solution

The fourth proportional to 89,023.10, 133,534.65 and 87,079.10 is: 130,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,023.10 : 133,534.65 = 87,079.10 : x
  2. Step 2: Convert to fraction form
    89,023.10/133,534.65 = 87,079.10/x
  3. Step 3: Cross multiply
    89,023.10x = 133,534.65 × 87,079.10
  4. Step 4: Simplify right side
    89,023.10x = 11,628,077,140.82
  5. Step 5: Solve for x
    x = 11,628,077,140.82/89,023.10
  6. Step 6: Final answer
    x = 130,618.65

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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.