Home / 187,731.26-259,066.98-101,688.60

Finding the Fourth Proportional to 187,731.26, 259,066.98 and 101,688.60

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Solution

The fourth proportional to 187,731.26, 259,066.98 and 101,688.60 is: 140,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,731.26 : 259,066.98 = 101,688.60 : x
  2. Step 2: Convert to fraction form
    187,731.26/259,066.98 = 101,688.60/x
  3. Step 3: Cross multiply
    187,731.26x = 259,066.98 × 101,688.60
  4. Step 4: Simplify right side
    187,731.26x = 26,344,158,502.43
  5. Step 5: Solve for x
    x = 26,344,158,502.43/187,731.26
  6. Step 6: Final answer
    x = 140,329.10

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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.