Home / 187,569.03-258,851.79-102,686.70

Finding the Fourth Proportional to 187,569.03, 258,851.79 and 102,686.70

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Solution

The fourth proportional to 187,569.03, 258,851.79 and 102,686.70 is: 141,711.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,569.03 : 258,851.79 = 102,686.70 : x
  2. Step 2: Convert to fraction form
    187,569.03/258,851.79 = 102,686.70/x
  3. Step 3: Cross multiply
    187,569.03x = 258,851.79 × 102,686.70
  4. Step 4: Simplify right side
    187,569.03x = 26,580,636,104.19
  5. Step 5: Solve for x
    x = 26,580,636,104.19/187,569.03
  6. Step 6: Final answer
    x = 141,711.22

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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.