Home / 137,702.40-206,387.50-71,106.24

Finding the Fourth Proportional to 137,702.40, 206,387.50 and 71,106.24

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Solution

The fourth proportional to 137,702.40, 206,387.50 and 71,106.24 is: 106,573.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,702.40 : 206,387.50 = 71,106.24 : x
  2. Step 2: Convert to fraction form
    137,702.40/206,387.50 = 71,106.24/x
  3. Step 3: Cross multiply
    137,702.40x = 206,387.50 × 71,106.24
  4. Step 4: Simplify right side
    137,702.40x = 14,675,439,108.00
  5. Step 5: Solve for x
    x = 14,675,439,108.00/137,702.40
  6. Step 6: Final answer
    x = 106,573.59

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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.