Home / 134,344.45-185,421.86-77,022.28

Finding the Fourth Proportional to 134,344.45, 185,421.86 and 77,022.28

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Solution

The fourth proportional to 134,344.45, 185,421.86 and 77,022.28 is: 106,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,344.45 : 185,421.86 = 77,022.28 : x
  2. Step 2: Convert to fraction form
    134,344.45/185,421.86 = 77,022.28/x
  3. Step 3: Cross multiply
    134,344.45x = 185,421.86 × 77,022.28
  4. Step 4: Simplify right side
    134,344.45x = 14,281,614,419.04
  5. Step 5: Solve for x
    x = 14,281,614,419.04/134,344.45
  6. Step 6: Final answer
    x = 106,305.95

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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.