Home / 187,590.62-258,875.01-102,707.66

Finding the Fourth Proportional to 187,590.62, 258,875.01 and 102,707.66

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Solution

The fourth proportional to 187,590.62, 258,875.01 and 102,707.66 is: 141,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,590.62 : 258,875.01 = 102,707.66 : x
  2. Step 2: Convert to fraction form
    187,590.62/258,875.01 = 102,707.66/x
  3. Step 3: Cross multiply
    187,590.62x = 258,875.01 × 102,707.66
  4. Step 4: Simplify right side
    187,590.62x = 26,588,446,509.58
  5. Step 5: Solve for x
    x = 26,588,446,509.58/187,590.62
  6. Step 6: Final answer
    x = 141,736.55

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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.