Home / 207,859.90-286,844.88-112,365.76

Finding the Fourth Proportional to 207,859.90, 286,844.88 and 112,365.76

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Solution

The fourth proportional to 207,859.90, 286,844.88 and 112,365.76 is: 155,063.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,859.90 : 286,844.88 = 112,365.76 : x
  2. Step 2: Convert to fraction form
    207,859.90/286,844.88 = 112,365.76/x
  3. Step 3: Cross multiply
    207,859.90x = 286,844.88 × 112,365.76
  4. Step 4: Simplify right side
    207,859.90x = 32,231,542,943.31
  5. Step 5: Solve for x
    x = 32,231,542,943.31/207,859.90
  6. Step 6: Final answer
    x = 155,063.79

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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.