Home / 157,276.30-235,453.65-138,844.30

Finding the Fourth Proportional to 157,276.30, 235,453.65 and 138,844.30

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Solution

The fourth proportional to 157,276.30, 235,453.65 and 138,844.30 is: 207,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,276.30 : 235,453.65 = 138,844.30 : x
  2. Step 2: Convert to fraction form
    157,276.30/235,453.65 = 138,844.30/x
  3. Step 3: Cross multiply
    157,276.30x = 235,453.65 × 138,844.30
  4. Step 4: Simplify right side
    157,276.30x = 32,691,397,216.70
  5. Step 5: Solve for x
    x = 32,691,397,216.70/157,276.30
  6. Step 6: Final answer
    x = 207,859.65

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1.5x scale

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.