Home / 88,315.20-121,861.44-52,504.56

Finding the Fourth Proportional to 88,315.20, 121,861.44 and 52,504.56

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Solution

The fourth proportional to 88,315.20, 121,861.44 and 52,504.56 is: 72,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,315.20 : 121,861.44 = 52,504.56 : x
  2. Step 2: Convert to fraction form
    88,315.20/121,861.44 = 52,504.56/x
  3. Step 3: Cross multiply
    88,315.20x = 121,861.44 × 52,504.56
  4. Step 4: Simplify right side
    88,315.20x = 6,398,281,288.17
  5. Step 5: Solve for x
    x = 6,398,281,288.17/88,315.20
  6. Step 6: Final answer
    x = 72,448.25

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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.