Home / 187,562.49-258,836.25-102,679.55

Finding the Fourth Proportional to 187,562.49, 258,836.25 and 102,679.55

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Solution

The fourth proportional to 187,562.49, 258,836.25 and 102,679.55 is: 141,697.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,562.49 : 258,836.25 = 102,679.55 : x
  2. Step 2: Convert to fraction form
    187,562.49/258,836.25 = 102,679.55/x
  3. Step 3: Cross multiply
    187,562.49x = 258,836.25 × 102,679.55
  4. Step 4: Simplify right side
    187,562.49x = 26,577,191,079.51
  5. Step 5: Solve for x
    x = 26,577,191,079.51/187,562.49
  6. Step 6: Final answer
    x = 141,697.79

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1.5x scale

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.