Home / 187,342.12-258,557.10-105,686.98

Finding the Fourth Proportional to 187,342.12, 258,557.10 and 105,686.98

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Solution

The fourth proportional to 187,342.12, 258,557.10 and 105,686.98 is: 145,862.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,342.12 : 258,557.10 = 105,686.98 : x
  2. Step 2: Convert to fraction form
    187,342.12/258,557.10 = 105,686.98/x
  3. Step 3: Cross multiply
    187,342.12x = 258,557.10 × 105,686.98
  4. Step 4: Simplify right side
    187,342.12x = 27,326,119,056.56
  5. Step 5: Solve for x
    x = 27,326,119,056.56/187,342.12
  6. Step 6: Final answer
    x = 145,862.12

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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.