Home / 120,816.10-181,224.15-41,938.30

Finding the Fourth Proportional to 120,816.10, 181,224.15 and 41,938.30

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Solution

The fourth proportional to 120,816.10, 181,224.15 and 41,938.30 is: 62,907.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,816.10 : 181,224.15 = 41,938.30 : x
  2. Step 2: Convert to fraction form
    120,816.10/181,224.15 = 41,938.30/x
  3. Step 3: Cross multiply
    120,816.10x = 181,224.15 × 41,938.30
  4. Step 4: Simplify right side
    120,816.10x = 7,600,232,769.95
  5. Step 5: Solve for x
    x = 7,600,232,769.95/120,816.10
  6. Step 6: Final answer
    x = 62,907.45

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1.5x scale

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.