Home / 117,432.40-162,098.75-69,685.75

Finding the Fourth Proportional to 117,432.40, 162,098.75 and 69,685.75

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Solution

The fourth proportional to 117,432.40, 162,098.75 and 69,685.75 is: 96,191.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,432.40 : 162,098.75 = 69,685.75 : x
  2. Step 2: Convert to fraction form
    117,432.40/162,098.75 = 69,685.75/x
  3. Step 3: Cross multiply
    117,432.40x = 162,098.75 × 69,685.75
  4. Step 4: Simplify right side
    117,432.40x = 11,295,972,214.14
  5. Step 5: Solve for x
    x = 11,295,972,214.14/117,432.40
  6. Step 6: Final answer
    x = 96,191.28

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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.