Home / 123,391.20-185,000.40-48,482.40

Finding the Fourth Proportional to 123,391.20, 185,000.40 and 48,482.40

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Solution

The fourth proportional to 123,391.20, 185,000.40 and 48,482.40 is: 72,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,391.20 : 185,000.40 = 48,482.40 : x
  2. Step 2: Convert to fraction form
    123,391.20/185,000.40 = 48,482.40/x
  3. Step 3: Cross multiply
    123,391.20x = 185,000.40 × 48,482.40
  4. Step 4: Simplify right side
    123,391.20x = 8,969,263,392.96
  5. Step 5: Solve for x
    x = 8,969,263,392.96/123,391.20
  6. Step 6: Final answer
    x = 72,689.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.