Home / 105,633.73-145,778.57-60,319.09

Finding the Fourth Proportional to 105,633.73, 145,778.57 and 60,319.09

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Solution

The fourth proportional to 105,633.73, 145,778.57 and 60,319.09 is: 83,242.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,633.73 : 145,778.57 = 60,319.09 : x
  2. Step 2: Convert to fraction form
    105,633.73/145,778.57 = 60,319.09/x
  3. Step 3: Cross multiply
    105,633.73x = 145,778.57 × 60,319.09
  4. Step 4: Simplify right side
    105,633.73x = 8,793,230,683.90
  5. Step 5: Solve for x
    x = 8,793,230,683.90/105,633.73
  6. Step 6: Final answer
    x = 83,242.64

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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.