Home / 127,116.26-175,416.27-70,531.82

Finding the Fourth Proportional to 127,116.26, 175,416.27 and 70,531.82

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Solution

The fourth proportional to 127,116.26, 175,416.27 and 70,531.82 is: 97,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,116.26 : 175,416.27 = 70,531.82 : x
  2. Step 2: Convert to fraction form
    127,116.26/175,416.27 = 70,531.82/x
  3. Step 3: Cross multiply
    127,116.26x = 175,416.27 × 70,531.82
  4. Step 4: Simplify right side
    127,116.26x = 12,372,428,780.71
  5. Step 5: Solve for x
    x = 12,372,428,780.71/127,116.26
  6. Step 6: Final answer
    x = 97,331.60

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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.