Home / 88,257.72-121,813.36-52,440.84

Finding the Fourth Proportional to 88,257.72, 121,813.36 and 52,440.84

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Solution

The fourth proportional to 88,257.72, 121,813.36 and 52,440.84 is: 72,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,257.72 : 121,813.36 = 52,440.84 : x
  2. Step 2: Convert to fraction form
    88,257.72/121,813.36 = 52,440.84/x
  3. Step 3: Cross multiply
    88,257.72x = 121,813.36 × 52,440.84
  4. Step 4: Simplify right side
    88,257.72x = 6,387,994,921.62
  5. Step 5: Solve for x
    x = 6,387,994,921.62/88,257.72
  6. Step 6: Final answer
    x = 72,378.88

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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.