Home / 126,063.38-173,971.13-69,478.40

Finding the Fourth Proportional to 126,063.38, 173,971.13 and 69,478.40

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Solution

The fourth proportional to 126,063.38, 173,971.13 and 69,478.40 is: 95,882.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,063.38 : 173,971.13 = 69,478.40 : x
  2. Step 2: Convert to fraction form
    126,063.38/173,971.13 = 69,478.40/x
  3. Step 3: Cross multiply
    126,063.38x = 173,971.13 × 69,478.40
  4. Step 4: Simplify right side
    126,063.38x = 12,087,234,541.34
  5. Step 5: Solve for x
    x = 12,087,234,541.34/126,063.38
  6. Step 6: Final answer
    x = 95,882.21

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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.