Home / 135,981.72-203,966.44-47,242.17

Finding the Fourth Proportional to 135,981.72, 203,966.44 and 47,242.17

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Solution

The fourth proportional to 135,981.72, 203,966.44 and 47,242.17 is: 70,861.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,981.72 : 203,966.44 = 47,242.17 : x
  2. Step 2: Convert to fraction form
    135,981.72/203,966.44 = 47,242.17/x
  3. Step 3: Cross multiply
    135,981.72x = 203,966.44 × 47,242.17
  4. Step 4: Simplify right side
    135,981.72x = 9,635,817,114.67
  5. Step 5: Solve for x
    x = 9,635,817,114.67/135,981.72
  6. Step 6: Final answer
    x = 70,861.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.