Home / 74,132.21-102,304.20-42,304.07

Finding the Fourth Proportional to 74,132.21, 102,304.20 and 42,304.07

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Solution

The fourth proportional to 74,132.21, 102,304.20 and 42,304.07 is: 58,380.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,132.21 : 102,304.20 = 42,304.07 : x
  2. Step 2: Convert to fraction form
    74,132.21/102,304.20 = 42,304.07/x
  3. Step 3: Cross multiply
    74,132.21x = 102,304.20 × 42,304.07
  4. Step 4: Simplify right side
    74,132.21x = 4,327,883,526.57
  5. Step 5: Solve for x
    x = 4,327,883,526.57/74,132.21
  6. Step 6: Final answer
    x = 58,380.61

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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.