Home / 121,052.86-181,577.56-54,445.74

Finding the Fourth Proportional to 121,052.86, 181,577.56 and 54,445.74

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Solution

The fourth proportional to 121,052.86, 181,577.56 and 54,445.74 is: 81,667.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,052.86 : 181,577.56 = 54,445.74 : x
  2. Step 2: Convert to fraction form
    121,052.86/181,577.56 = 54,445.74/x
  3. Step 3: Cross multiply
    121,052.86x = 181,577.56 × 54,445.74
  4. Step 4: Simplify right side
    121,052.86x = 9,886,124,621.59
  5. Step 5: Solve for x
    x = 9,886,124,621.59/121,052.86
  6. Step 6: Final answer
    x = 81,667.83

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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.