Home / 117,534.20-162,156.66-75,117.56

Finding the Fourth Proportional to 117,534.20, 162,156.66 and 75,117.56

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Solution

The fourth proportional to 117,534.20, 162,156.66 and 75,117.56 is: 103,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,534.20 : 162,156.66 = 75,117.56 : x
  2. Step 2: Convert to fraction form
    117,534.20/162,156.66 = 75,117.56/x
  3. Step 3: Cross multiply
    117,534.20x = 162,156.66 × 75,117.56
  4. Step 4: Simplify right side
    117,534.20x = 12,180,812,636.95
  5. Step 5: Solve for x
    x = 12,180,812,636.95/117,534.20
  6. Step 6: Final answer
    x = 103,636.33

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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.