Home / 124,944.85-172,446.09-73,985.87

Finding the Fourth Proportional to 124,944.85, 172,446.09 and 73,985.87

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Solution

The fourth proportional to 124,944.85, 172,446.09 and 73,985.87 is: 102,113.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,944.85 : 172,446.09 = 73,985.87 : x
  2. Step 2: Convert to fraction form
    124,944.85/172,446.09 = 73,985.87/x
  3. Step 3: Cross multiply
    124,944.85x = 172,446.09 × 73,985.87
  4. Step 4: Simplify right side
    124,944.85x = 12,758,573,996.75
  5. Step 5: Solve for x
    x = 12,758,573,996.75/124,944.85
  6. Step 6: Final answer
    x = 102,113.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.