Home / 207,130.38-285,849.62-115,250.18

Finding the Fourth Proportional to 207,130.38, 285,849.62 and 115,250.18

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Solution

The fourth proportional to 207,130.38, 285,849.62 and 115,250.18 is: 159,050.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,130.38 : 285,849.62 = 115,250.18 : x
  2. Step 2: Convert to fraction form
    207,130.38/285,849.62 = 115,250.18/x
  3. Step 3: Cross multiply
    207,130.38x = 285,849.62 × 115,250.18
  4. Step 4: Simplify right side
    207,130.38x = 32,944,220,157.93
  5. Step 5: Solve for x
    x = 32,944,220,157.93/207,130.38
  6. Step 6: Final answer
    x = 159,050.64

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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.