Home / 157,786.20-236,333.70-137,050.20

Finding the Fourth Proportional to 157,786.20, 236,333.70 and 137,050.20

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Solution

The fourth proportional to 157,786.20, 236,333.70 and 137,050.20 is: 205,275.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,786.20 : 236,333.70 = 137,050.20 : x
  2. Step 2: Convert to fraction form
    157,786.20/236,333.70 = 137,050.20/x
  3. Step 3: Cross multiply
    157,786.20x = 236,333.70 × 137,050.20
  4. Step 4: Simplify right side
    157,786.20x = 32,389,580,851.74
  5. Step 5: Solve for x
    x = 32,389,580,851.74/157,786.20
  6. Step 6: Final answer
    x = 205,275.12

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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.