Home / 157,009.29-216,668.18-89,032.47

Finding the Fourth Proportional to 157,009.29, 216,668.18 and 89,032.47

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Solution

The fourth proportional to 157,009.29, 216,668.18 and 89,032.47 is: 122,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,009.29 : 216,668.18 = 89,032.47 : x
  2. Step 2: Convert to fraction form
    157,009.29/216,668.18 = 89,032.47/x
  3. Step 3: Cross multiply
    157,009.29x = 216,668.18 × 89,032.47
  4. Step 4: Simplify right side
    157,009.29x = 19,290,503,235.80
  5. Step 5: Solve for x
    x = 19,290,503,235.80/157,009.29
  6. Step 6: Final answer
    x = 122,862.18

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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.