Home / 118,839.24-163,997.19-65,124.12

Finding the Fourth Proportional to 118,839.24, 163,997.19 and 65,124.12

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Solution

The fourth proportional to 118,839.24, 163,997.19 and 65,124.12 is: 89,870.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,839.24 : 163,997.19 = 65,124.12 : x
  2. Step 2: Convert to fraction form
    118,839.24/163,997.19 = 65,124.12/x
  3. Step 3: Cross multiply
    118,839.24x = 163,997.19 × 65,124.12
  4. Step 4: Simplify right side
    118,839.24x = 10,680,172,681.22
  5. Step 5: Solve for x
    x = 10,680,172,681.22/118,839.24
  6. Step 6: Final answer
    x = 89,870.76

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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.