Home / 88,218.54-121,727.88-52,407.63

Finding the Fourth Proportional to 88,218.54, 121,727.88 and 52,407.63

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Solution

The fourth proportional to 88,218.54, 121,727.88 and 52,407.63 is: 72,314.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,218.54 : 121,727.88 = 52,407.63 : x
  2. Step 2: Convert to fraction form
    88,218.54/121,727.88 = 52,407.63/x
  3. Step 3: Cross multiply
    88,218.54x = 121,727.88 × 52,407.63
  4. Step 4: Simplify right side
    88,218.54x = 6,379,469,695.72
  5. Step 5: Solve for x
    x = 6,379,469,695.72/88,218.54
  6. Step 6: Final answer
    x = 72,314.39

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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.