Home / 123,622.20-185,519.70-53,551.80

Finding the Fourth Proportional to 123,622.20, 185,519.70 and 53,551.80

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Solution

The fourth proportional to 123,622.20, 185,519.70 and 53,551.80 is: 80,365.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,622.20 : 185,519.70 = 53,551.80 : x
  2. Step 2: Convert to fraction form
    123,622.20/185,519.70 = 53,551.80/x
  3. Step 3: Cross multiply
    123,622.20x = 185,519.70 × 53,551.80
  4. Step 4: Simplify right side
    123,622.20x = 9,934,913,870.46
  5. Step 5: Solve for x
    x = 9,934,913,870.46/123,622.20
  6. Step 6: Final answer
    x = 80,365.13

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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.