Home / 105,747.75-145,944.86-61,035.75

Finding the Fourth Proportional to 105,747.75, 145,944.86 and 61,035.75

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Solution

The fourth proportional to 105,747.75, 145,944.86 and 61,035.75 is: 84,236.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,747.75 : 145,944.86 = 61,035.75 : x
  2. Step 2: Convert to fraction form
    105,747.75/145,944.86 = 61,035.75/x
  3. Step 3: Cross multiply
    105,747.75x = 145,944.86 × 61,035.75
  4. Step 4: Simplify right side
    105,747.75x = 8,907,853,683.57
  5. Step 5: Solve for x
    x = 8,907,853,683.57/105,747.75
  6. Step 6: Final answer
    x = 84,236.82

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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.