Home / 187,612.69-258,905.93-101,572.58

Finding the Fourth Proportional to 187,612.69, 258,905.93 and 101,572.58

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Solution

The fourth proportional to 187,612.69, 258,905.93 and 101,572.58 is: 140,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,612.69 : 258,905.93 = 101,572.58 : x
  2. Step 2: Convert to fraction form
    187,612.69/258,905.93 = 101,572.58/x
  3. Step 3: Cross multiply
    187,612.69x = 258,905.93 × 101,572.58
  4. Step 4: Simplify right side
    187,612.69x = 26,297,743,287.40
  5. Step 5: Solve for x
    x = 26,297,743,287.40/187,612.69
  6. Step 6: Final answer
    x = 140,170.39

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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.