Home / 88,276.96-121,880.40-68,098.72

Finding the Fourth Proportional to 88,276.96, 121,880.40 and 68,098.72

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Solution

The fourth proportional to 88,276.96, 121,880.40 and 68,098.72 is: 94,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,276.96 : 121,880.40 = 68,098.72 : x
  2. Step 2: Convert to fraction form
    88,276.96/121,880.40 = 68,098.72/x
  3. Step 3: Cross multiply
    88,276.96x = 121,880.40 × 68,098.72
  4. Step 4: Simplify right side
    88,276.96x = 8,299,899,233.09
  5. Step 5: Solve for x
    x = 8,299,899,233.09/88,276.96
  6. Step 6: Final answer
    x = 94,021.13

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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.