Home / 94,722.12-142,052.40-31,528.80

Finding the Fourth Proportional to 94,722.12, 142,052.40 and 31,528.80

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Solution

The fourth proportional to 94,722.12, 142,052.40 and 31,528.80 is: 47,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,722.12 : 142,052.40 = 31,528.80 : x
  2. Step 2: Convert to fraction form
    94,722.12/142,052.40 = 31,528.80/x
  3. Step 3: Cross multiply
    94,722.12x = 142,052.40 × 31,528.80
  4. Step 4: Simplify right side
    94,722.12x = 4,478,741,709.12
  5. Step 5: Solve for x
    x = 4,478,741,709.12/94,722.12
  6. Step 6: Final answer
    x = 47,282.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.