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Finding the Fourth Proportional to 110,710.87, 152,742.92 and 67,117.48

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Solution

The fourth proportional to 110,710.87, 152,742.92 and 67,117.48 is: 92,599.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,710.87 : 152,742.92 = 67,117.48 : x
  2. Step 2: Convert to fraction form
    110,710.87/152,742.92 = 67,117.48/x
  3. Step 3: Cross multiply
    110,710.87x = 152,742.92 × 67,117.48
  4. Step 4: Simplify right side
    110,710.87x = 10,251,719,542.65
  5. Step 5: Solve for x
    x = 10,251,719,542.65/110,710.87
  6. Step 6: Final answer
    x = 92,599.03

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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.