Home / 123,320.40-185,029.20-48,427.80

Finding the Fourth Proportional to 123,320.40, 185,029.20 and 48,427.80

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Solution

The fourth proportional to 123,320.40, 185,029.20 and 48,427.80 is: 72,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,320.40 : 185,029.20 = 48,427.80 : x
  2. Step 2: Convert to fraction form
    123,320.40/185,029.20 = 48,427.80/x
  3. Step 3: Cross multiply
    123,320.40x = 185,029.20 × 48,427.80
  4. Step 4: Simplify right side
    123,320.40x = 8,960,557,091.76
  5. Step 5: Solve for x
    x = 8,960,557,091.76/123,320.40
  6. Step 6: Final answer
    x = 72,660.79

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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.