Home / 121,877.02-182,858.83-54,402.94

Finding the Fourth Proportional to 121,877.02, 182,858.83 and 54,402.94

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Solution

The fourth proportional to 121,877.02, 182,858.83 and 54,402.94 is: 81,623.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,877.02 : 182,858.83 = 54,402.94 : x
  2. Step 2: Convert to fraction form
    121,877.02/182,858.83 = 54,402.94/x
  3. Step 3: Cross multiply
    121,877.02x = 182,858.83 × 54,402.94
  4. Step 4: Simplify right side
    121,877.02x = 9,948,058,355.54
  5. Step 5: Solve for x
    x = 9,948,058,355.54/121,877.02
  6. Step 6: Final answer
    x = 81,623.74

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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.