Home / 88,257.73-121,798.29-54,286.15

Finding the Fourth Proportional to 88,257.73, 121,798.29 and 54,286.15

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Solution

The fourth proportional to 88,257.73, 121,798.29 and 54,286.15 is: 74,916.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,257.73 : 121,798.29 = 54,286.15 : x
  2. Step 2: Convert to fraction form
    88,257.73/121,798.29 = 54,286.15/x
  3. Step 3: Cross multiply
    88,257.73x = 121,798.29 × 54,286.15
  4. Step 4: Simplify right side
    88,257.73x = 6,611,960,240.68
  5. Step 5: Solve for x
    x = 6,611,960,240.68/88,257.73
  6. Step 6: Final answer
    x = 74,916.50

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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.