Home / 239,318.19-330,254.15-131,885.46

Finding the Fourth Proportional to 239,318.19, 330,254.15 and 131,885.46

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Solution

The fourth proportional to 239,318.19, 330,254.15 and 131,885.46 is: 181,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,318.19 : 330,254.15 = 131,885.46 : x
  2. Step 2: Convert to fraction form
    239,318.19/330,254.15 = 131,885.46/x
  3. Step 3: Cross multiply
    239,318.19x = 330,254.15 × 131,885.46
  4. Step 4: Simplify right side
    239,318.19x = 43,555,719,830.23
  5. Step 5: Solve for x
    x = 43,555,719,830.23/239,318.19
  6. Step 6: Final answer
    x = 181,999.20

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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.