Home / 187,209.83-280,926.02-68,964.21

Finding the Fourth Proportional to 187,209.83, 280,926.02 and 68,964.21

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Solution

The fourth proportional to 187,209.83, 280,926.02 and 68,964.21 is: 103,487.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,209.83 : 280,926.02 = 68,964.21 : x
  2. Step 2: Convert to fraction form
    187,209.83/280,926.02 = 68,964.21/x
  3. Step 3: Cross multiply
    187,209.83x = 280,926.02 × 68,964.21
  4. Step 4: Simplify right side
    187,209.83x = 19,373,841,210.15
  5. Step 5: Solve for x
    x = 19,373,841,210.15/187,209.83
  6. Step 6: Final answer
    x = 103,487.31

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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.