Home / 105,734.41-145,912.12-60,412.05

Finding the Fourth Proportional to 105,734.41, 145,912.12 and 60,412.05

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Solution

The fourth proportional to 105,734.41, 145,912.12 and 60,412.05 is: 83,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,734.41 : 145,912.12 = 60,412.05 : x
  2. Step 2: Convert to fraction form
    105,734.41/145,912.12 = 60,412.05/x
  3. Step 3: Cross multiply
    105,734.41x = 145,912.12 × 60,412.05
  4. Step 4: Simplify right side
    105,734.41x = 8,814,850,289.05
  5. Step 5: Solve for x
    x = 8,814,850,289.05/105,734.41
  6. Step 6: Final answer
    x = 83,367.85

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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.