Home / 157,019.62-216,726.78-89,077.09

Finding the Fourth Proportional to 157,019.62, 216,726.78 and 89,077.09

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Solution

The fourth proportional to 157,019.62, 216,726.78 and 89,077.09 is: 122,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,019.62 : 216,726.78 = 89,077.09 : x
  2. Step 2: Convert to fraction form
    157,019.62/216,726.78 = 89,077.09/x
  3. Step 3: Cross multiply
    157,019.62x = 216,726.78 × 89,077.09
  4. Step 4: Simplify right side
    157,019.62x = 19,305,390,887.47
  5. Step 5: Solve for x
    x = 19,305,390,887.47/157,019.62
  6. Step 6: Final answer
    x = 122,948.91

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1.5x scale

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.