Home / 189,746.13-284,577.27-54,780.88

Finding the Fourth Proportional to 189,746.13, 284,577.27 and 54,780.88

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Solution

The fourth proportional to 189,746.13, 284,577.27 and 54,780.88 is: 82,159.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,746.13 : 284,577.27 = 54,780.88 : x
  2. Step 2: Convert to fraction form
    189,746.13/284,577.27 = 54,780.88/x
  3. Step 3: Cross multiply
    189,746.13x = 284,577.27 × 54,780.88
  4. Step 4: Simplify right side
    189,746.13x = 15,589,393,634.32
  5. Step 5: Solve for x
    x = 15,589,393,634.32/189,746.13
  6. Step 6: Final answer
    x = 82,159.22

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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.