Home / 239,332.16-330,281.88-131,900.78

Finding the Fourth Proportional to 239,332.16, 330,281.88 and 131,900.78

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Solution

The fourth proportional to 239,332.16, 330,281.88 and 131,900.78 is: 182,025.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,332.16 : 330,281.88 = 131,900.78 : x
  2. Step 2: Convert to fraction form
    239,332.16/330,281.88 = 131,900.78/x
  3. Step 3: Cross multiply
    239,332.16x = 330,281.88 × 131,900.78
  4. Step 4: Simplify right side
    239,332.16x = 43,564,437,591.87
  5. Step 5: Solve for x
    x = 43,564,437,591.87/239,332.16
  6. Step 6: Final answer
    x = 182,025.00

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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.