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Finding the Fourth Proportional to 97,801.80, 146,702.70 and 47,913.90

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Solution

The fourth proportional to 97,801.80, 146,702.70 and 47,913.90 is: 71,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,801.80 : 146,702.70 = 47,913.90 : x
  2. Step 2: Convert to fraction form
    97,801.80/146,702.70 = 47,913.90/x
  3. Step 3: Cross multiply
    97,801.80x = 146,702.70 × 47,913.90
  4. Step 4: Simplify right side
    97,801.80x = 7,029,098,497.53
  5. Step 5: Solve for x
    x = 7,029,098,497.53/97,801.80
  6. Step 6: Final answer
    x = 71,870.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.