Home / 145,418.46-218,244.35-75,317.82

Finding the Fourth Proportional to 145,418.46, 218,244.35 and 75,317.82

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Solution

The fourth proportional to 145,418.46, 218,244.35 and 75,317.82 is: 113,037.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,418.46 : 218,244.35 = 75,317.82 : x
  2. Step 2: Convert to fraction form
    145,418.46/218,244.35 = 75,317.82/x
  3. Step 3: Cross multiply
    145,418.46x = 218,244.35 × 75,317.82
  4. Step 4: Simplify right side
    145,418.46x = 16,437,688,292.73
  5. Step 5: Solve for x
    x = 16,437,688,292.73/145,418.46
  6. Step 6: Final answer
    x = 113,037.15

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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.