Home / 145,618.02-218,463.42-115,744.95

Finding the Fourth Proportional to 145,618.02, 218,463.42 and 115,744.95

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Solution

The fourth proportional to 145,618.02, 218,463.42 and 115,744.95 is: 173,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,618.02 : 218,463.42 = 115,744.95 : x
  2. Step 2: Convert to fraction form
    145,618.02/218,463.42 = 115,744.95/x
  3. Step 3: Cross multiply
    145,618.02x = 218,463.42 × 115,744.95
  4. Step 4: Simplify right side
    145,618.02x = 25,286,037,624.73
  5. Step 5: Solve for x
    x = 25,286,037,624.73/145,618.02
  6. Step 6: Final answer
    x = 173,646.35

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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.