Home / 103,012.68-154,519.02-56,240.04

Finding the Fourth Proportional to 103,012.68, 154,519.02 and 56,240.04

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Solution

The fourth proportional to 103,012.68, 154,519.02 and 56,240.04 is: 84,360.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,012.68 : 154,519.02 = 56,240.04 : x
  2. Step 2: Convert to fraction form
    103,012.68/154,519.02 = 56,240.04/x
  3. Step 3: Cross multiply
    103,012.68x = 154,519.02 × 56,240.04
  4. Step 4: Simplify right side
    103,012.68x = 8,690,155,865.56
  5. Step 5: Solve for x
    x = 8,690,155,865.56/103,012.68
  6. Step 6: Final answer
    x = 84,360.06

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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.