Home / 120,803.39-181,130.64-40,833.80

Finding the Fourth Proportional to 120,803.39, 181,130.64 and 40,833.80

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Solution

The fourth proportional to 120,803.39, 181,130.64 and 40,833.80 is: 61,225.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,803.39 : 181,130.64 = 40,833.80 : x
  2. Step 2: Convert to fraction form
    120,803.39/181,130.64 = 40,833.80/x
  3. Step 3: Cross multiply
    120,803.39x = 181,130.64 × 40,833.80
  4. Step 4: Simplify right side
    120,803.39x = 7,396,252,327.63
  5. Step 5: Solve for x
    x = 7,396,252,327.63/120,803.39
  6. Step 6: Final answer
    x = 61,225.54

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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.