Home / 114,929.71-172,242.79-88,173.47

Finding the Fourth Proportional to 114,929.71, 172,242.79 and 88,173.47

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Solution

The fourth proportional to 114,929.71, 172,242.79 and 88,173.47 is: 132,143.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,929.71 : 172,242.79 = 88,173.47 : x
  2. Step 2: Convert to fraction form
    114,929.71/172,242.79 = 88,173.47/x
  3. Step 3: Cross multiply
    114,929.71x = 172,242.79 × 88,173.47
  4. Step 4: Simplify right side
    114,929.71x = 15,187,244,686.95
  5. Step 5: Solve for x
    x = 15,187,244,686.95/114,929.71
  6. Step 6: Final answer
    x = 132,143.77

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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.