Home / 118,372.28-163,358.55-68,071.28

Finding the Fourth Proportional to 118,372.28, 163,358.55 and 68,071.28

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Solution

The fourth proportional to 118,372.28, 163,358.55 and 68,071.28 is: 93,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,372.28 : 163,358.55 = 68,071.28 : x
  2. Step 2: Convert to fraction form
    118,372.28/163,358.55 = 68,071.28/x
  3. Step 3: Cross multiply
    118,372.28x = 163,358.55 × 68,071.28
  4. Step 4: Simplify right side
    118,372.28x = 11,120,025,597.44
  5. Step 5: Solve for x
    x = 11,120,025,597.44/118,372.28
  6. Step 6: Final answer
    x = 93,941.13

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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.