Home / 188,849.30-260,613.02-103,966.36

Finding the Fourth Proportional to 188,849.30, 260,613.02 and 103,966.36

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Solution

The fourth proportional to 188,849.30, 260,613.02 and 103,966.36 is: 143,474.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,849.30 : 260,613.02 = 103,966.36 : x
  2. Step 2: Convert to fraction form
    188,849.30/260,613.02 = 103,966.36/x
  3. Step 3: Cross multiply
    188,849.30x = 260,613.02 × 103,966.36
  4. Step 4: Simplify right side
    188,849.30x = 27,094,986,666.39
  5. Step 5: Solve for x
    x = 27,094,986,666.39/188,849.30
  6. Step 6: Final answer
    x = 143,474.12

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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.