Home / 187,377.39-258,574.28-106,830.86

Finding the Fourth Proportional to 187,377.39, 258,574.28 and 106,830.86

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Solution

The fourth proportional to 187,377.39, 258,574.28 and 106,830.86 is: 147,422.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,377.39 : 258,574.28 = 106,830.86 : x
  2. Step 2: Convert to fraction form
    187,377.39/258,574.28 = 106,830.86/x
  3. Step 3: Cross multiply
    187,377.39x = 258,574.28 × 106,830.86
  4. Step 4: Simplify right side
    187,377.39x = 27,623,710,879.26
  5. Step 5: Solve for x
    x = 27,623,710,879.26/187,377.39
  6. Step 6: Final answer
    x = 147,422.86

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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.