Home / 103,085.27-142,255.26-60,646.53

Finding the Fourth Proportional to 103,085.27, 142,255.26 and 60,646.53

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Solution

The fourth proportional to 103,085.27, 142,255.26 and 60,646.53 is: 83,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,085.27 : 142,255.26 = 60,646.53 : x
  2. Step 2: Convert to fraction form
    103,085.27/142,255.26 = 60,646.53/x
  3. Step 3: Cross multiply
    103,085.27x = 142,255.26 × 60,646.53
  4. Step 4: Simplify right side
    103,085.27x = 8,627,287,893.25
  5. Step 5: Solve for x
    x = 8,627,287,893.25/103,085.27
  6. Step 6: Final answer
    x = 83,690.79

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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.