Home / 158,587.92-218,835.56-91,541.52

Finding the Fourth Proportional to 158,587.92, 218,835.56 and 91,541.52

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Solution

The fourth proportional to 158,587.92, 218,835.56 and 91,541.52 is: 126,318.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,587.92 : 218,835.56 = 91,541.52 : x
  2. Step 2: Convert to fraction form
    158,587.92/218,835.56 = 91,541.52/x
  3. Step 3: Cross multiply
    158,587.92x = 218,835.56 × 91,541.52
  4. Step 4: Simplify right side
    158,587.92x = 20,032,539,792.45
  5. Step 5: Solve for x
    x = 20,032,539,792.45/158,587.92
  6. Step 6: Final answer
    x = 126,318.19

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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.