Home / 187,097.53-258,306.75-122,679.14

Finding the Fourth Proportional to 187,097.53, 258,306.75 and 122,679.14

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Solution

The fourth proportional to 187,097.53, 258,306.75 and 122,679.14 is: 169,370.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,097.53 : 258,306.75 = 122,679.14 : x
  2. Step 2: Convert to fraction form
    187,097.53/258,306.75 = 122,679.14/x
  3. Step 3: Cross multiply
    187,097.53x = 258,306.75 × 122,679.14
  4. Step 4: Simplify right side
    187,097.53x = 31,688,850,864.40
  5. Step 5: Solve for x
    x = 31,688,850,864.40/187,097.53
  6. Step 6: Final answer
    x = 169,370.76

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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.