Home / 207,864.79-286,853.83-112,371.48

Finding the Fourth Proportional to 207,864.79, 286,853.83 and 112,371.48

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Solution

The fourth proportional to 207,864.79, 286,853.83 and 112,371.48 is: 155,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,864.79 : 286,853.83 = 112,371.48 : x
  2. Step 2: Convert to fraction form
    207,864.79/286,853.83 = 112,371.48/x
  3. Step 3: Cross multiply
    207,864.79x = 286,853.83 × 112,371.48
  4. Step 4: Simplify right side
    207,864.79x = 32,234,189,139.84
  5. Step 5: Solve for x
    x = 32,234,189,139.84/207,864.79
  6. Step 6: Final answer
    x = 155,072.87

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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.