Home / 151,570.80-209,167.60-87,044.26

Finding the Fourth Proportional to 151,570.80, 209,167.60 and 87,044.26

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Solution

The fourth proportional to 151,570.80, 209,167.60 and 87,044.26 is: 120,121.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,570.80 : 209,167.60 = 87,044.26 : x
  2. Step 2: Convert to fraction form
    151,570.80/209,167.60 = 87,044.26/x
  3. Step 3: Cross multiply
    151,570.80x = 209,167.60 × 87,044.26
  4. Step 4: Simplify right side
    151,570.80x = 18,206,838,957.98
  5. Step 5: Solve for x
    x = 18,206,838,957.98/151,570.80
  6. Step 6: Final answer
    x = 120,121.02

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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.