Home / 157,436.90-236,616.15-137,161.70

Finding the Fourth Proportional to 157,436.90, 236,616.15 and 137,161.70

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Solution

The fourth proportional to 157,436.90, 236,616.15 and 137,161.70 is: 206,144.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,436.90 : 236,616.15 = 137,161.70 : x
  2. Step 2: Convert to fraction form
    157,436.90/236,616.15 = 137,161.70/x
  3. Step 3: Cross multiply
    157,436.90x = 236,616.15 × 137,161.70
  4. Step 4: Simplify right side
    157,436.90x = 32,454,673,381.46
  5. Step 5: Solve for x
    x = 32,454,673,381.46/157,436.90
  6. Step 6: Final answer
    x = 206,144.01

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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.