Home / 207,568.64-286,392-126,966.72

Finding the Fourth Proportional to 207,568.64, 286,392 and 126,966.72

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Solution

The fourth proportional to 207,568.64, 286,392 and 126,966.72 is: 175,181.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,568.64 : 286,392 = 126,966.72 : x
  2. Step 2: Convert to fraction form
    207,568.64/286,392 = 126,966.72/x
  3. Step 3: Cross multiply
    207,568.64x = 286,392 × 126,966.72
  4. Step 4: Simplify right side
    207,568.64x = 36,362,252,874.24
  5. Step 5: Solve for x
    x = 36,362,252,874.24/207,568.64
  6. Step 6: Final answer
    x = 175,181.82

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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.