Home / 100,251.10-150,376.65-41,129.20

Finding the Fourth Proportional to 100,251.10, 150,376.65 and 41,129.20

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Solution

The fourth proportional to 100,251.10, 150,376.65 and 41,129.20 is: 61,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,251.10 : 150,376.65 = 41,129.20 : x
  2. Step 2: Convert to fraction form
    100,251.10/150,376.65 = 41,129.20/x
  3. Step 3: Cross multiply
    100,251.10x = 150,376.65 × 41,129.20
  4. Step 4: Simplify right side
    100,251.10x = 6,184,871,313.18
  5. Step 5: Solve for x
    x = 6,184,871,313.18/100,251.10
  6. Step 6: Final answer
    x = 61,693.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.