Home / 127,702.31-176,229.18-74,018.46

Finding the Fourth Proportional to 127,702.31, 176,229.18 and 74,018.46

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Solution

The fourth proportional to 127,702.31, 176,229.18 and 74,018.46 is: 102,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,702.31 : 176,229.18 = 74,018.46 : x
  2. Step 2: Convert to fraction form
    127,702.31/176,229.18 = 74,018.46/x
  3. Step 3: Cross multiply
    127,702.31x = 176,229.18 × 74,018.46
  4. Step 4: Simplify right side
    127,702.31x = 13,044,212,510.66
  5. Step 5: Solve for x
    x = 13,044,212,510.66/127,702.31
  6. Step 6: Final answer
    x = 102,145.47

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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.