Home / 158,139.60-218,211.13-94,463.88

Finding the Fourth Proportional to 158,139.60, 218,211.13 and 94,463.88

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Solution

The fourth proportional to 158,139.60, 218,211.13 and 94,463.88 is: 130,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,139.60 : 218,211.13 = 94,463.88 : x
  2. Step 2: Convert to fraction form
    158,139.60/218,211.13 = 94,463.88/x
  3. Step 3: Cross multiply
    158,139.60x = 218,211.13 × 94,463.88
  4. Step 4: Simplify right side
    158,139.60x = 20,613,069,998.98
  5. Step 5: Solve for x
    x = 20,613,069,998.98/158,139.60
  6. Step 6: Final answer
    x = 130,347.30

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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.