Home / 151,772.27-209,448.79-83,788.97

Finding the Fourth Proportional to 151,772.27, 209,448.79 and 83,788.97

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Solution

The fourth proportional to 151,772.27, 209,448.79 and 83,788.97 is: 115,630.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,772.27 : 209,448.79 = 83,788.97 : x
  2. Step 2: Convert to fraction form
    151,772.27/209,448.79 = 83,788.97/x
  3. Step 3: Cross multiply
    151,772.27x = 209,448.79 × 83,788.97
  4. Step 4: Simplify right side
    151,772.27x = 17,549,497,125.13
  5. Step 5: Solve for x
    x = 17,549,497,125.13/151,772.27
  6. Step 6: Final answer
    x = 115,630.46

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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.