Home / 187,889.46-259,287.18-103,011.96

Finding the Fourth Proportional to 187,889.46, 259,287.18 and 103,011.96

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Solution

The fourth proportional to 187,889.46, 259,287.18 and 103,011.96 is: 142,156.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,889.46 : 259,287.18 = 103,011.96 : x
  2. Step 2: Convert to fraction form
    187,889.46/259,287.18 = 103,011.96/x
  3. Step 3: Cross multiply
    187,889.46x = 259,287.18 × 103,011.96
  4. Step 4: Simplify right side
    187,889.46x = 26,709,680,614.67
  5. Step 5: Solve for x
    x = 26,709,680,614.67/187,889.46
  6. Step 6: Final answer
    x = 142,156.35

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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.