Home / 127,702.39-176,233.31-70,345.87

Finding the Fourth Proportional to 127,702.39, 176,233.31 and 70,345.87

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Solution

The fourth proportional to 127,702.39, 176,233.31 and 70,345.87 is: 97,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,702.39 : 176,233.31 = 70,345.87 : x
  2. Step 2: Convert to fraction form
    127,702.39/176,233.31 = 70,345.87/x
  3. Step 3: Cross multiply
    127,702.39x = 176,233.31 × 70,345.87
  4. Step 4: Simplify right side
    127,702.39x = 12,397,285,514.93
  5. Step 5: Solve for x
    x = 12,397,285,514.93/127,702.39
  6. Step 6: Final answer
    x = 97,079.51

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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.