Home / 88,218.18-121,733.82-52,417.26

Finding the Fourth Proportional to 88,218.18, 121,733.82 and 52,417.26

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Solution

The fourth proportional to 88,218.18, 121,733.82 and 52,417.26 is: 72,331.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,218.18 : 121,733.82 = 52,417.26 : x
  2. Step 2: Convert to fraction form
    88,218.18/121,733.82 = 52,417.26/x
  3. Step 3: Cross multiply
    88,218.18x = 121,733.82 × 52,417.26
  4. Step 4: Simplify right side
    88,218.18x = 6,380,953,293.73
  5. Step 5: Solve for x
    x = 6,380,953,293.73/88,218.18
  6. Step 6: Final answer
    x = 72,331.50

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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.