Home / 124,923.72-172,352.46-71,170.45

Finding the Fourth Proportional to 124,923.72, 172,352.46 and 71,170.45

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Solution

The fourth proportional to 124,923.72, 172,352.46 and 71,170.45 is: 98,191.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,923.72 : 172,352.46 = 71,170.45 : x
  2. Step 2: Convert to fraction form
    124,923.72/172,352.46 = 71,170.45/x
  3. Step 3: Cross multiply
    124,923.72x = 172,352.46 × 71,170.45
  4. Step 4: Simplify right side
    124,923.72x = 12,266,401,572.48
  5. Step 5: Solve for x
    x = 12,266,401,572.48/124,923.72
  6. Step 6: Final answer
    x = 98,191.13

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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.