Home / 88,219.02-121,761.50-54,256.73

Finding the Fourth Proportional to 88,219.02, 121,761.50 and 54,256.73

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Solution

The fourth proportional to 88,219.02, 121,761.50 and 54,256.73 is: 74,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,219.02 : 121,761.50 = 54,256.73 : x
  2. Step 2: Convert to fraction form
    88,219.02/121,761.50 = 54,256.73/x
  3. Step 3: Cross multiply
    88,219.02x = 121,761.50 × 54,256.73
  4. Step 4: Simplify right side
    88,219.02x = 6,606,380,829.90
  5. Step 5: Solve for x
    x = 6,606,380,829.90/88,219.02
  6. Step 6: Final answer
    x = 74,886.13

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1.5x scale

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.