Home / 207,964.19-286,990.70-112,470.91

Finding the Fourth Proportional to 207,964.19, 286,990.70 and 112,470.91

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Solution

The fourth proportional to 207,964.19, 286,990.70 and 112,470.91 is: 155,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,964.19 : 286,990.70 = 112,470.91 : x
  2. Step 2: Convert to fraction form
    207,964.19/286,990.70 = 112,470.91/x
  3. Step 3: Cross multiply
    207,964.19x = 286,990.70 × 112,470.91
  4. Step 4: Simplify right side
    207,964.19x = 32,278,103,910.71
  5. Step 5: Solve for x
    x = 32,278,103,910.71/207,964.19
  6. Step 6: Final answer
    x = 155,209.91

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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.