Home / 207,826.20-286,799.22-112,332.66

Finding the Fourth Proportional to 207,826.20, 286,799.22 and 112,332.66

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Solution

The fourth proportional to 207,826.20, 286,799.22 and 112,332.66 is: 155,018.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,826.20 : 286,799.22 = 112,332.66 : x
  2. Step 2: Convert to fraction form
    207,826.20/286,799.22 = 112,332.66/x
  3. Step 3: Cross multiply
    207,826.20x = 286,799.22 × 112,332.66
  4. Step 4: Simplify right side
    207,826.20x = 32,216,919,268.53
  5. Step 5: Solve for x
    x = 32,216,919,268.53/207,826.20
  6. Step 6: Final answer
    x = 155,018.56

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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.