Home / 127,119.35-175,423.10-73,403.18

Finding the Fourth Proportional to 127,119.35, 175,423.10 and 73,403.18

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Solution

The fourth proportional to 127,119.35, 175,423.10 and 73,403.18 is: 101,295.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,119.35 : 175,423.10 = 73,403.18 : x
  2. Step 2: Convert to fraction form
    127,119.35/175,423.10 = 73,403.18/x
  3. Step 3: Cross multiply
    127,119.35x = 175,423.10 × 73,403.18
  4. Step 4: Simplify right side
    127,119.35x = 12,876,613,385.46
  5. Step 5: Solve for x
    x = 12,876,613,385.46/127,119.35
  6. Step 6: Final answer
    x = 101,295.47

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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.