Home / 158,562.56-218,931.15-102,072.35

Finding the Fourth Proportional to 158,562.56, 218,931.15 and 102,072.35

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Solution

The fourth proportional to 158,562.56, 218,931.15 and 102,072.35 is: 140,933.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,562.56 : 218,931.15 = 102,072.35 : x
  2. Step 2: Convert to fraction form
    158,562.56/218,931.15 = 102,072.35/x
  3. Step 3: Cross multiply
    158,562.56x = 218,931.15 × 102,072.35
  4. Step 4: Simplify right side
    158,562.56x = 22,346,817,898.80
  5. Step 5: Solve for x
    x = 22,346,817,898.80/158,562.56
  6. Step 6: Final answer
    x = 140,933.76

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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.