Home / 237,449.73-327,681.15-128,555.21

Finding the Fourth Proportional to 237,449.73, 327,681.15 and 128,555.21

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Solution

The fourth proportional to 237,449.73, 327,681.15 and 128,555.21 is: 177,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,449.73 : 327,681.15 = 128,555.21 : x
  2. Step 2: Convert to fraction form
    237,449.73/327,681.15 = 128,555.21/x
  3. Step 3: Cross multiply
    237,449.73x = 327,681.15 × 128,555.21
  4. Step 4: Simplify right side
    237,449.73x = 42,125,120,352.58
  5. Step 5: Solve for x
    x = 42,125,120,352.58/237,449.73
  6. Step 6: Final answer
    x = 177,406.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.