Home / 187,171.46-258,298.52-102,288.52

Finding the Fourth Proportional to 187,171.46, 258,298.52 and 102,288.52

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Solution

The fourth proportional to 187,171.46, 258,298.52 and 102,288.52 is: 141,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,171.46 : 258,298.52 = 102,288.52 : x
  2. Step 2: Convert to fraction form
    187,171.46/258,298.52 = 102,288.52/x
  3. Step 3: Cross multiply
    187,171.46x = 258,298.52 × 102,288.52
  4. Step 4: Simplify right side
    187,171.46x = 26,420,973,715.79
  5. Step 5: Solve for x
    x = 26,420,973,715.79/187,171.46
  6. Step 6: Final answer
    x = 141,159.20

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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.