Home / 115,430.76-172,827.24-59,149.68

Finding the Fourth Proportional to 115,430.76, 172,827.24 and 59,149.68

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Solution

The fourth proportional to 115,430.76, 172,827.24 and 59,149.68 is: 88,561.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,430.76 : 172,827.24 = 59,149.68 : x
  2. Step 2: Convert to fraction form
    115,430.76/172,827.24 = 59,149.68/x
  3. Step 3: Cross multiply
    115,430.76x = 172,827.24 × 59,149.68
  4. Step 4: Simplify right side
    115,430.76x = 10,222,675,941.28
  5. Step 5: Solve for x
    x = 10,222,675,941.28/115,430.76
  6. Step 6: Final answer
    x = 88,561.11

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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.