Home / 94,622.05-141,930-38,445.55

Finding the Fourth Proportional to 94,622.05, 141,930 and 38,445.55

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Solution

The fourth proportional to 94,622.05, 141,930 and 38,445.55 is: 57,667.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,622.05 : 141,930 = 38,445.55 : x
  2. Step 2: Convert to fraction form
    94,622.05/141,930 = 38,445.55/x
  3. Step 3: Cross multiply
    94,622.05x = 141,930 × 38,445.55
  4. Step 4: Simplify right side
    94,622.05x = 5,456,576,911.50
  5. Step 5: Solve for x
    x = 5,456,576,911.50/94,622.05
  6. Step 6: Final answer
    x = 57,667.08

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1.5x scale

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.