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Finding the Fourth Proportional to 188,319.68, 282,445.44 and 75,995.20

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Solution

The fourth proportional to 188,319.68, 282,445.44 and 75,995.20 is: 113,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,319.68 : 282,445.44 = 75,995.20 : x
  2. Step 2: Convert to fraction form
    188,319.68/282,445.44 = 75,995.20/x
  3. Step 3: Cross multiply
    188,319.68x = 282,445.44 × 75,995.20
  4. Step 4: Simplify right side
    188,319.68x = 21,464,497,701.89
  5. Step 5: Solve for x
    x = 21,464,497,701.89/188,319.68
  6. Step 6: Final answer
    x = 113,979.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.