Home / 239,113.01-329,973.47-131,680.75

Finding the Fourth Proportional to 239,113.01, 329,973.47 and 131,680.75

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Solution

The fourth proportional to 239,113.01, 329,973.47 and 131,680.75 is: 181,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,113.01 : 329,973.47 = 131,680.75 : x
  2. Step 2: Convert to fraction form
    239,113.01/329,973.47 = 131,680.75/x
  3. Step 3: Cross multiply
    239,113.01x = 329,973.47 × 131,680.75
  4. Step 4: Simplify right side
    239,113.01x = 43,451,154,009.70
  5. Step 5: Solve for x
    x = 43,451,154,009.70/239,113.01
  6. Step 6: Final answer
    x = 181,718.07

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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.