Home / 172,681.02-258,543.25-88,259.38

Finding the Fourth Proportional to 172,681.02, 258,543.25 and 88,259.38

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Solution

The fourth proportional to 172,681.02, 258,543.25 and 88,259.38 is: 132,144.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,681.02 : 258,543.25 = 88,259.38 : x
  2. Step 2: Convert to fraction form
    172,681.02/258,543.25 = 88,259.38/x
  3. Step 3: Cross multiply
    172,681.02x = 258,543.25 × 88,259.38
  4. Step 4: Simplify right side
    172,681.02x = 22,818,866,948.19
  5. Step 5: Solve for x
    x = 22,818,866,948.19/172,681.02
  6. Step 6: Final answer
    x = 132,144.62

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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.