Home / 239,244.59-330,165.02-137,288.72

Finding the Fourth Proportional to 239,244.59, 330,165.02 and 137,288.72

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Solution

The fourth proportional to 239,244.59, 330,165.02 and 137,288.72 is: 189,462.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,244.59 : 330,165.02 = 137,288.72 : x
  2. Step 2: Convert to fraction form
    239,244.59/330,165.02 = 137,288.72/x
  3. Step 3: Cross multiply
    239,244.59x = 330,165.02 × 137,288.72
  4. Step 4: Simplify right side
    239,244.59x = 45,327,932,984.57
  5. Step 5: Solve for x
    x = 45,327,932,984.57/239,244.59
  6. Step 6: Final answer
    x = 189,462.73

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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.