Home / 207,932.75-286,947.50-112,439.45

Finding the Fourth Proportional to 207,932.75, 286,947.50 and 112,439.45

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Solution

The fourth proportional to 207,932.75, 286,947.50 and 112,439.45 is: 155,166.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,932.75 : 286,947.50 = 112,439.45 : x
  2. Step 2: Convert to fraction form
    207,932.75/286,947.50 = 112,439.45/x
  3. Step 3: Cross multiply
    207,932.75x = 286,947.50 × 112,439.45
  4. Step 4: Simplify right side
    207,932.75x = 32,264,219,078.88
  5. Step 5: Solve for x
    x = 32,264,219,078.88/207,932.75
  6. Step 6: Final answer
    x = 155,166.61

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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.