Home / 126,042.38-173,942.19-69,457.40

Finding the Fourth Proportional to 126,042.38, 173,942.19 and 69,457.40

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Solution

The fourth proportional to 126,042.38, 173,942.19 and 69,457.40 is: 95,853.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,042.38 : 173,942.19 = 69,457.40 : x
  2. Step 2: Convert to fraction form
    126,042.38/173,942.19 = 69,457.40/x
  3. Step 3: Cross multiply
    126,042.38x = 173,942.19 × 69,457.40
  4. Step 4: Simplify right side
    126,042.38x = 12,081,572,267.71
  5. Step 5: Solve for x
    x = 12,081,572,267.71/126,042.38
  6. Step 6: Final answer
    x = 95,853.25

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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.