Home / 119,981.59-179,861.11-45,151.36

Finding the Fourth Proportional to 119,981.59, 179,861.11 and 45,151.36

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Solution

The fourth proportional to 119,981.59, 179,861.11 and 45,151.36 is: 67,685.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,981.59 : 179,861.11 = 45,151.36 : x
  2. Step 2: Convert to fraction form
    119,981.59/179,861.11 = 45,151.36/x
  3. Step 3: Cross multiply
    119,981.59x = 179,861.11 × 45,151.36
  4. Step 4: Simplify right side
    119,981.59x = 8,120,973,165.08
  5. Step 5: Solve for x
    x = 8,120,973,165.08/119,981.59
  6. Step 6: Final answer
    x = 67,685.16

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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.