Home / 124,923.80-172,380.32-73,938.76

Finding the Fourth Proportional to 124,923.80, 172,380.32 and 73,938.76

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Solution

The fourth proportional to 124,923.80, 172,380.32 and 73,938.76 is: 102,026.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,923.80 : 172,380.32 = 73,938.76 : x
  2. Step 2: Convert to fraction form
    124,923.80/172,380.32 = 73,938.76/x
  3. Step 3: Cross multiply
    124,923.80x = 172,380.32 × 73,938.76
  4. Step 4: Simplify right side
    124,923.80x = 12,745,587,109.20
  5. Step 5: Solve for x
    x = 12,745,587,109.20/124,923.80
  6. Step 6: Final answer
    x = 102,026.89

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1.5x scale

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.