Home / 94,743.26-142,128.93-31,542.74

Finding the Fourth Proportional to 94,743.26, 142,128.93 and 31,542.74

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Solution

The fourth proportional to 94,743.26, 142,128.93 and 31,542.74 is: 47,318.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,743.26 : 142,128.93 = 31,542.74 : x
  2. Step 2: Convert to fraction form
    94,743.26/142,128.93 = 31,542.74/x
  3. Step 3: Cross multiply
    94,743.26x = 142,128.93 × 31,542.74
  4. Step 4: Simplify right side
    94,743.26x = 4,483,135,885.47
  5. Step 5: Solve for x
    x = 4,483,135,885.47/94,743.26
  6. Step 6: Final answer
    x = 47,318.78

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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.