Home / 207,861.80-286,842.30-131,422.04

Finding the Fourth Proportional to 207,861.80, 286,842.30 and 131,422.04

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Solution

The fourth proportional to 207,861.80, 286,842.30 and 131,422.04 is: 181,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,861.80 : 286,842.30 = 131,422.04 : x
  2. Step 2: Convert to fraction form
    207,861.80/286,842.30 = 131,422.04/x
  3. Step 3: Cross multiply
    207,861.80x = 286,842.30 × 131,422.04
  4. Step 4: Simplify right side
    207,861.80x = 37,697,400,224.29
  5. Step 5: Solve for x
    x = 37,697,400,224.29/207,861.80
  6. Step 6: Final answer
    x = 181,358.00

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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.