Home / 127,167.19-175,498.92-70,578.56

Finding the Fourth Proportional to 127,167.19, 175,498.92 and 70,578.56

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Solution

The fourth proportional to 127,167.19, 175,498.92 and 70,578.56 is: 97,402.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,167.19 : 175,498.92 = 70,578.56 : x
  2. Step 2: Convert to fraction form
    127,167.19/175,498.92 = 70,578.56/x
  3. Step 3: Cross multiply
    127,167.19x = 175,498.92 × 70,578.56
  4. Step 4: Simplify right side
    127,167.19x = 12,386,461,493.90
  5. Step 5: Solve for x
    x = 12,386,461,493.90/127,167.19
  6. Step 6: Final answer
    x = 97,402.97

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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.