Home / 157,174.74-216,929.25-100,584.18

Finding the Fourth Proportional to 157,174.74, 216,929.25 and 100,584.18

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Solution

The fourth proportional to 157,174.74, 216,929.25 and 100,584.18 is: 138,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,174.74 : 216,929.25 = 100,584.18 : x
  2. Step 2: Convert to fraction form
    157,174.74/216,929.25 = 100,584.18/x
  3. Step 3: Cross multiply
    157,174.74x = 216,929.25 × 100,584.18
  4. Step 4: Simplify right side
    157,174.74x = 21,819,650,729.27
  5. Step 5: Solve for x
    x = 21,819,650,729.27/157,174.74
  6. Step 6: Final answer
    x = 138,824.16

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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.