Home / 187,071.55-258,154.55-102,188.95

Finding the Fourth Proportional to 187,071.55, 258,154.55 and 102,188.95

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Solution

The fourth proportional to 187,071.55, 258,154.55 and 102,188.95 is: 141,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,071.55 : 258,154.55 = 102,188.95 : x
  2. Step 2: Convert to fraction form
    187,071.55/258,154.55 = 102,188.95/x
  3. Step 3: Cross multiply
    187,071.55x = 258,154.55 × 102,188.95
  4. Step 4: Simplify right side
    187,071.55x = 26,380,541,891.28
  5. Step 5: Solve for x
    x = 26,380,541,891.28/187,071.55
  6. Step 6: Final answer
    x = 141,018.46

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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.