Home / 127,414.81-175,835.82-70,056.55

Finding the Fourth Proportional to 127,414.81, 175,835.82 and 70,056.55

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Solution

The fourth proportional to 127,414.81, 175,835.82 and 70,056.55 is: 96,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,414.81 : 175,835.82 = 70,056.55 : x
  2. Step 2: Convert to fraction form
    127,414.81/175,835.82 = 70,056.55/x
  3. Step 3: Cross multiply
    127,414.81x = 175,835.82 × 70,056.55
  4. Step 4: Simplify right side
    127,414.81x = 12,318,450,915.62
  5. Step 5: Solve for x
    x = 12,318,450,915.62/127,414.81
  6. Step 6: Final answer
    x = 96,679.90

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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.