Home / 88,229.18-121,742.54-52,418.28

Finding the Fourth Proportional to 88,229.18, 121,742.54 and 52,418.28

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Solution

The fourth proportional to 88,229.18, 121,742.54 and 52,418.28 is: 72,329.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,229.18 : 121,742.54 = 52,418.28 : x
  2. Step 2: Convert to fraction form
    88,229.18/121,742.54 = 52,418.28/x
  3. Step 3: Cross multiply
    88,229.18x = 121,742.54 × 52,418.28
  4. Step 4: Simplify right side
    88,229.18x = 6,381,534,549.63
  5. Step 5: Solve for x
    x = 6,381,534,549.63/88,229.18
  6. Step 6: Final answer
    x = 72,329.07

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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.