Home / 121,155.36-181,754.76-41,200.80

Finding the Fourth Proportional to 121,155.36, 181,754.76 and 41,200.80

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Solution

The fourth proportional to 121,155.36, 181,754.76 and 41,200.80 is: 61,808.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,155.36 : 181,754.76 = 41,200.80 : x
  2. Step 2: Convert to fraction form
    121,155.36/181,754.76 = 41,200.80/x
  3. Step 3: Cross multiply
    121,155.36x = 181,754.76 × 41,200.80
  4. Step 4: Simplify right side
    121,155.36x = 7,488,441,515.81
  5. Step 5: Solve for x
    x = 7,488,441,515.81/121,155.36
  6. Step 6: Final answer
    x = 61,808.59

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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.