Home / 137,913.57-206,854.86-38,087.96

Finding the Fourth Proportional to 137,913.57, 206,854.86 and 38,087.96

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Solution

The fourth proportional to 137,913.57, 206,854.86 and 38,087.96 is: 57,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,913.57 : 206,854.86 = 38,087.96 : x
  2. Step 2: Convert to fraction form
    137,913.57/206,854.86 = 38,087.96/x
  3. Step 3: Cross multiply
    137,913.57x = 206,854.86 × 38,087.96
  4. Step 4: Simplify right side
    137,913.57x = 7,878,678,742.04
  5. Step 5: Solve for x
    x = 7,878,678,742.04/137,913.57
  6. Step 6: Final answer
    x = 57,127.65

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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.