Home / 127,470.39-175,913.40-70,112.13

Finding the Fourth Proportional to 127,470.39, 175,913.40 and 70,112.13

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Solution

The fourth proportional to 127,470.39, 175,913.40 and 70,112.13 is: 96,757.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,470.39 : 175,913.40 = 70,112.13 : x
  2. Step 2: Convert to fraction form
    127,470.39/175,913.40 = 70,112.13/x
  3. Step 3: Cross multiply
    127,470.39x = 175,913.40 × 70,112.13
  4. Step 4: Simplify right side
    127,470.39x = 12,333,663,169.54
  5. Step 5: Solve for x
    x = 12,333,663,169.54/127,470.39
  6. Step 6: Final answer
    x = 96,757.08

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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.