Home / 158,077.71-218,167.17-103,675.62

Finding the Fourth Proportional to 158,077.71, 218,167.17 and 103,675.62

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Solution

The fourth proportional to 158,077.71, 218,167.17 and 103,675.62 is: 143,085.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,077.71 : 218,167.17 = 103,675.62 : x
  2. Step 2: Convert to fraction form
    158,077.71/218,167.17 = 103,675.62/x
  3. Step 3: Cross multiply
    158,077.71x = 218,167.17 × 103,675.62
  4. Step 4: Simplify right side
    158,077.71x = 22,618,616,613.40
  5. Step 5: Solve for x
    x = 22,618,616,613.40/158,077.71
  6. Step 6: Final answer
    x = 143,085.43

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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.