Home / 126,251.87-174,231.23-69,666.89

Finding the Fourth Proportional to 126,251.87, 174,231.23 and 69,666.89

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Solution

The fourth proportional to 126,251.87, 174,231.23 and 69,666.89 is: 96,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,251.87 : 174,231.23 = 69,666.89 : x
  2. Step 2: Convert to fraction form
    126,251.87/174,231.23 = 69,666.89/x
  3. Step 3: Cross multiply
    126,251.87x = 174,231.23 × 69,666.89
  4. Step 4: Simplify right side
    126,251.87x = 12,138,146,715.48
  5. Step 5: Solve for x
    x = 12,138,146,715.48/126,251.87
  6. Step 6: Final answer
    x = 96,142.32

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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.