Home / 207,690.28-286,605.75-131,250.22

Finding the Fourth Proportional to 207,690.28, 286,605.75 and 131,250.22

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Solution

The fourth proportional to 207,690.28, 286,605.75 and 131,250.22 is: 181,120.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,690.28 : 286,605.75 = 131,250.22 : x
  2. Step 2: Convert to fraction form
    207,690.28/286,605.75 = 131,250.22/x
  3. Step 3: Cross multiply
    207,690.28x = 286,605.75 × 131,250.22
  4. Step 4: Simplify right side
    207,690.28x = 37,617,067,740.77
  5. Step 5: Solve for x
    x = 37,617,067,740.77/207,690.28
  6. Step 6: Final answer
    x = 181,120.98

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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.