Home / 137,653.30-206,431.35-48,909.70

Finding the Fourth Proportional to 137,653.30, 206,431.35 and 48,909.70

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Solution

The fourth proportional to 137,653.30, 206,431.35 and 48,909.70 is: 73,347.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,653.30 : 206,431.35 = 48,909.70 : x
  2. Step 2: Convert to fraction form
    137,653.30/206,431.35 = 48,909.70/x
  3. Step 3: Cross multiply
    137,653.30x = 206,431.35 × 48,909.70
  4. Step 4: Simplify right side
    137,653.30x = 10,096,495,399.10
  5. Step 5: Solve for x
    x = 10,096,495,399.10/137,653.30
  6. Step 6: Final answer
    x = 73,347.28

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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.