Home / 187,569.12-258,836.40-102,684

Finding the Fourth Proportional to 187,569.12, 258,836.40 and 102,684

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Solution

The fourth proportional to 187,569.12, 258,836.40 and 102,684 is: 141,699.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,569.12 : 258,836.40 = 102,684 : x
  2. Step 2: Convert to fraction form
    187,569.12/258,836.40 = 102,684/x
  3. Step 3: Cross multiply
    187,569.12x = 258,836.40 × 102,684
  4. Step 4: Simplify right side
    187,569.12x = 26,578,356,897.60
  5. Step 5: Solve for x
    x = 26,578,356,897.60/187,569.12
  6. Step 6: Final answer
    x = 141,699.00

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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.