Home / 127,287.56-175,651.92-70,702.52

Finding the Fourth Proportional to 127,287.56, 175,651.92 and 70,702.52

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Solution

The fourth proportional to 127,287.56, 175,651.92 and 70,702.52 is: 97,566.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,287.56 : 175,651.92 = 70,702.52 : x
  2. Step 2: Convert to fraction form
    127,287.56/175,651.92 = 70,702.52/x
  3. Step 3: Cross multiply
    127,287.56x = 175,651.92 × 70,702.52
  4. Step 4: Simplify right side
    127,287.56x = 12,419,033,386.84
  5. Step 5: Solve for x
    x = 12,419,033,386.84/127,287.56
  6. Step 6: Final answer
    x = 97,566.75

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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.