Home / 187,304.28-258,486.10-102,421.34

Finding the Fourth Proportional to 187,304.28, 258,486.10 and 102,421.34

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Solution

The fourth proportional to 187,304.28, 258,486.10 and 102,421.34 is: 141,344.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,304.28 : 258,486.10 = 102,421.34 : x
  2. Step 2: Convert to fraction form
    187,304.28/258,486.10 = 102,421.34/x
  3. Step 3: Cross multiply
    187,304.28x = 258,486.10 × 102,421.34
  4. Step 4: Simplify right side
    187,304.28x = 26,474,493,123.54
  5. Step 5: Solve for x
    x = 26,474,493,123.54/187,304.28
  6. Step 6: Final answer
    x = 141,344.84

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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.