Home / 121,899.95-182,922.57-54,426.74

Finding the Fourth Proportional to 121,899.95, 182,922.57 and 54,426.74

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Solution

The fourth proportional to 121,899.95, 182,922.57 and 54,426.74 is: 81,672.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,899.95 : 182,922.57 = 54,426.74 : x
  2. Step 2: Convert to fraction form
    121,899.95/182,922.57 = 54,426.74/x
  3. Step 3: Cross multiply
    121,899.95x = 182,922.57 × 54,426.74
  4. Step 4: Simplify right side
    121,899.95x = 9,955,878,242.91
  5. Step 5: Solve for x
    x = 9,955,878,242.91/121,899.95
  6. Step 6: Final answer
    x = 81,672.54

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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.