Home / 90,001.92-134,441.76-66,673.92

Finding the Fourth Proportional to 90,001.92, 134,441.76 and 66,673.92

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Solution

The fourth proportional to 90,001.92, 134,441.76 and 66,673.92 is: 99,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,001.92 : 134,441.76 = 66,673.92 : x
  2. Step 2: Convert to fraction form
    90,001.92/134,441.76 = 66,673.92/x
  3. Step 3: Cross multiply
    90,001.92x = 134,441.76 × 66,673.92
  4. Step 4: Simplify right side
    90,001.92x = 8,963,759,150.90
  5. Step 5: Solve for x
    x = 8,963,759,150.90/90,001.92
  6. Step 6: Final answer
    x = 99,595.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.