Home / 103,035.85-142,189.44-62,749.60

Finding the Fourth Proportional to 103,035.85, 142,189.44 and 62,749.60

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Solution

The fourth proportional to 103,035.85, 142,189.44 and 62,749.60 is: 86,594.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,035.85 : 142,189.44 = 62,749.60 : x
  2. Step 2: Convert to fraction form
    103,035.85/142,189.44 = 62,749.60/x
  3. Step 3: Cross multiply
    103,035.85x = 142,189.44 × 62,749.60
  4. Step 4: Simplify right side
    103,035.85x = 8,922,329,773.28
  5. Step 5: Solve for x
    x = 8,922,329,773.28/103,035.85
  6. Step 6: Final answer
    x = 86,594.43

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1.5x scale

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.