Home / 134,344.20-185,421.51-77,022.03

Finding the Fourth Proportional to 134,344.20, 185,421.51 and 77,022.03

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Solution

The fourth proportional to 134,344.20, 185,421.51 and 77,022.03 is: 106,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,344.20 : 185,421.51 = 77,022.03 : x
  2. Step 2: Convert to fraction form
    134,344.20/185,421.51 = 77,022.03/x
  3. Step 3: Cross multiply
    134,344.20x = 185,421.51 × 77,022.03
  4. Step 4: Simplify right side
    134,344.20x = 14,281,541,105.87
  5. Step 5: Solve for x
    x = 14,281,541,105.87/134,344.20
  6. Step 6: Final answer
    x = 106,305.60

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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.