Home / 105,399.13-145,447.17-60,091.70

Finding the Fourth Proportional to 105,399.13, 145,447.17 and 60,091.70

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Solution

The fourth proportional to 105,399.13, 145,447.17 and 60,091.70 is: 82,924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,399.13 : 145,447.17 = 60,091.70 : x
  2. Step 2: Convert to fraction form
    105,399.13/145,447.17 = 60,091.70/x
  3. Step 3: Cross multiply
    105,399.13x = 145,447.17 × 60,091.70
  4. Step 4: Simplify right side
    105,399.13x = 8,740,167,705.49
  5. Step 5: Solve for x
    x = 8,740,167,705.49/105,399.13
  6. Step 6: Final answer
    x = 82,924.48

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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.