Home / 207,964.11-286,989.61-112,470.58

Finding the Fourth Proportional to 207,964.11, 286,989.61 and 112,470.58

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Solution

The fourth proportional to 207,964.11, 286,989.61 and 112,470.58 is: 155,208.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,964.11 : 286,989.61 = 112,470.58 : x
  2. Step 2: Convert to fraction form
    207,964.11/286,989.61 = 112,470.58/x
  3. Step 3: Cross multiply
    207,964.11x = 286,989.61 × 112,470.58
  4. Step 4: Simplify right side
    207,964.11x = 32,277,886,248.48
  5. Step 5: Solve for x
    x = 32,277,886,248.48/207,964.11
  6. Step 6: Final answer
    x = 155,208.93

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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.