Home / 94,923.36-142,122.60-71,478.72

Finding the Fourth Proportional to 94,923.36, 142,122.60 and 71,478.72

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Solution

The fourth proportional to 94,923.36, 142,122.60 and 71,478.72 is: 107,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,923.36 : 142,122.60 = 71,478.72 : x
  2. Step 2: Convert to fraction form
    94,923.36/142,122.60 = 71,478.72/x
  3. Step 3: Cross multiply
    94,923.36x = 142,122.60 × 71,478.72
  4. Step 4: Simplify right side
    94,923.36x = 10,158,741,531.07
  5. Step 5: Solve for x
    x = 10,158,741,531.07/94,923.36
  6. Step 6: Final answer
    x = 107,020.46

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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.