Home / 127,419.78-175,835.56-70,059.18

Finding the Fourth Proportional to 127,419.78, 175,835.56 and 70,059.18

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Solution

The fourth proportional to 127,419.78, 175,835.56 and 70,059.18 is: 96,679.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,419.78 : 175,835.56 = 70,059.18 : x
  2. Step 2: Convert to fraction form
    127,419.78/175,835.56 = 70,059.18/x
  3. Step 3: Cross multiply
    127,419.78x = 175,835.56 × 70,059.18
  4. Step 4: Simplify right side
    127,419.78x = 12,318,894,774.96
  5. Step 5: Solve for x
    x = 12,318,894,774.96/127,419.78
  6. Step 6: Final answer
    x = 96,679.61

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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.