Home / 207,734.51-286,687.10-115,864.10

Finding the Fourth Proportional to 207,734.51, 286,687.10 and 115,864.10

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Solution

The fourth proportional to 207,734.51, 286,687.10 and 115,864.10 is: 159,899.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,734.51 : 286,687.10 = 115,864.10 : x
  2. Step 2: Convert to fraction form
    207,734.51/286,687.10 = 115,864.10/x
  3. Step 3: Cross multiply
    207,734.51x = 286,687.10 × 115,864.10
  4. Step 4: Simplify right side
    207,734.51x = 33,216,743,715.29
  5. Step 5: Solve for x
    x = 33,216,743,715.29/207,734.51
  6. Step 6: Final answer
    x = 159,899.98

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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.