Home / 127,433.17-175,862.28-70,076.86

Finding the Fourth Proportional to 127,433.17, 175,862.28 and 70,076.86

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Solution

The fourth proportional to 127,433.17, 175,862.28 and 70,076.86 is: 96,708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,433.17 : 175,862.28 = 70,076.86 : x
  2. Step 2: Convert to fraction form
    127,433.17/175,862.28 = 70,076.86/x
  3. Step 3: Cross multiply
    127,433.17x = 175,862.28 × 70,076.86
  4. Step 4: Simplify right side
    127,433.17x = 12,323,876,374.84
  5. Step 5: Solve for x
    x = 12,323,876,374.84/127,433.17
  6. Step 6: Final answer
    x = 96,708.54

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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.