Home / 88,216.29-121,724.78-52,405.38

Finding the Fourth Proportional to 88,216.29, 121,724.78 and 52,405.38

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Solution

The fourth proportional to 88,216.29, 121,724.78 and 52,405.38 is: 72,311.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,216.29 : 121,724.78 = 52,405.38 : x
  2. Step 2: Convert to fraction form
    88,216.29/121,724.78 = 52,405.38/x
  3. Step 3: Cross multiply
    88,216.29x = 121,724.78 × 52,405.38
  4. Step 4: Simplify right side
    88,216.29x = 6,379,033,089.29
  5. Step 5: Solve for x
    x = 6,379,033,089.29/88,216.29
  6. Step 6: Final answer
    x = 72,311.28

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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.