Home / 207,932.64-286,947.14-112,439.40

Finding the Fourth Proportional to 207,932.64, 286,947.14 and 112,439.40

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Solution

The fourth proportional to 207,932.64, 286,947.14 and 112,439.40 is: 155,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,932.64 : 286,947.14 = 112,439.40 : x
  2. Step 2: Convert to fraction form
    207,932.64/286,947.14 = 112,439.40/x
  3. Step 3: Cross multiply
    207,932.64x = 286,947.14 × 112,439.40
  4. Step 4: Simplify right side
    207,932.64x = 32,264,164,253.32
  5. Step 5: Solve for x
    x = 32,264,164,253.32/207,932.64
  6. Step 6: Final answer
    x = 155,166.42

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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.