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Finding the Fourth Proportional to 110,057.47, 151,808.74 and 75,585.57

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Solution

The fourth proportional to 110,057.47, 151,808.74 and 75,585.57 is: 104,259.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,057.47 : 151,808.74 = 75,585.57 : x
  2. Step 2: Convert to fraction form
    110,057.47/151,808.74 = 75,585.57/x
  3. Step 3: Cross multiply
    110,057.47x = 151,808.74 × 75,585.57
  4. Step 4: Simplify right side
    110,057.47x = 11,474,549,385.64
  5. Step 5: Solve for x
    x = 11,474,549,385.64/110,057.47
  6. Step 6: Final answer
    x = 104,259.61

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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.