Home / 122,835.61-183,872.04-66,535.90

Finding the Fourth Proportional to 122,835.61, 183,872.04 and 66,535.90

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Solution

The fourth proportional to 122,835.61, 183,872.04 and 66,535.90 is: 99,597.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,835.61 : 183,872.04 = 66,535.90 : x
  2. Step 2: Convert to fraction form
    122,835.61/183,872.04 = 66,535.90/x
  3. Step 3: Cross multiply
    122,835.61x = 183,872.04 × 66,535.90
  4. Step 4: Simplify right side
    122,835.61x = 12,234,091,666.24
  5. Step 5: Solve for x
    x = 12,234,091,666.24/122,835.61
  6. Step 6: Final answer
    x = 99,597.27

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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.