Home / 122,377.61-183,621.50-66,151.89

Finding the Fourth Proportional to 122,377.61, 183,621.50 and 66,151.89

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Solution

The fourth proportional to 122,377.61, 183,621.50 and 66,151.89 is: 99,257.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,377.61 : 183,621.50 = 66,151.89 : x
  2. Step 2: Convert to fraction form
    122,377.61/183,621.50 = 66,151.89/x
  3. Step 3: Cross multiply
    122,377.61x = 183,621.50 × 66,151.89
  4. Step 4: Simplify right side
    122,377.61x = 12,146,908,938.88
  5. Step 5: Solve for x
    x = 12,146,908,938.88/122,377.61
  6. Step 6: Final answer
    x = 99,257.61

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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.