Home / 134,344.95-185,422.55-77,022.78

Finding the Fourth Proportional to 134,344.95, 185,422.55 and 77,022.78

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Solution

The fourth proportional to 134,344.95, 185,422.55 and 77,022.78 is: 106,306.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,344.95 : 185,422.55 = 77,022.78 : x
  2. Step 2: Convert to fraction form
    134,344.95/185,422.55 = 77,022.78/x
  3. Step 3: Cross multiply
    134,344.95x = 185,422.55 × 77,022.78
  4. Step 4: Simplify right side
    134,344.95x = 14,281,759,890.58
  5. Step 5: Solve for x
    x = 14,281,759,890.58/134,344.95
  6. Step 6: Final answer
    x = 106,306.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.