Home / 122,585.42-183,890.06-47,711.66

Finding the Fourth Proportional to 122,585.42, 183,890.06 and 47,711.66

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Solution

The fourth proportional to 122,585.42, 183,890.06 and 47,711.66 is: 71,572.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,585.42 : 183,890.06 = 47,711.66 : x
  2. Step 2: Convert to fraction form
    122,585.42/183,890.06 = 47,711.66/x
  3. Step 3: Cross multiply
    122,585.42x = 183,890.06 × 47,711.66
  4. Step 4: Simplify right side
    122,585.42x = 8,773,700,020.10
  5. Step 5: Solve for x
    x = 8,773,700,020.10/122,585.42
  6. Step 6: Final answer
    x = 71,572.13

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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.