Home / 122,230.15-183,397.90-66,109.76

Finding the Fourth Proportional to 122,230.15, 183,397.90 and 66,109.76

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Solution

The fourth proportional to 122,230.15, 183,397.90 and 66,109.76 is: 99,193.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,230.15 : 183,397.90 = 66,109.76 : x
  2. Step 2: Convert to fraction form
    122,230.15/183,397.90 = 66,109.76/x
  3. Step 3: Cross multiply
    122,230.15x = 183,397.90 × 66,109.76
  4. Step 4: Simplify right side
    122,230.15x = 12,124,391,621.33
  5. Step 5: Solve for x
    x = 12,124,391,621.33/122,230.15
  6. Step 6: Final answer
    x = 99,193.14

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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.