Home / 137,419.18-206,156.26-47,465.17

Finding the Fourth Proportional to 137,419.18, 206,156.26 and 47,465.17

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Solution

The fourth proportional to 137,419.18, 206,156.26 and 47,465.17 is: 71,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,419.18 : 206,156.26 = 47,465.17 : x
  2. Step 2: Convert to fraction form
    137,419.18/206,156.26 = 47,465.17/x
  3. Step 3: Cross multiply
    137,419.18x = 206,156.26 × 47,465.17
  4. Step 4: Simplify right side
    137,419.18x = 9,785,243,068.33
  5. Step 5: Solve for x
    x = 9,785,243,068.33/137,419.18
  6. Step 6: Final answer
    x = 71,207.26

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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.