Home / 99,750.28-137,655.33-63,940.27

Finding the Fourth Proportional to 99,750.28, 137,655.33 and 63,940.27

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Solution

The fourth proportional to 99,750.28, 137,655.33 and 63,940.27 is: 88,237.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,750.28 : 137,655.33 = 63,940.27 : x
  2. Step 2: Convert to fraction form
    99,750.28/137,655.33 = 63,940.27/x
  3. Step 3: Cross multiply
    99,750.28x = 137,655.33 × 63,940.27
  4. Step 4: Simplify right side
    99,750.28x = 8,801,718,967.14
  5. Step 5: Solve for x
    x = 8,801,718,967.14/99,750.28
  6. Step 6: Final answer
    x = 88,237.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.