Home / 121,030.80-181,546.20-112,282.80

Finding the Fourth Proportional to 121,030.80, 181,546.20 and 112,282.80

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Solution

The fourth proportional to 121,030.80, 181,546.20 and 112,282.80 is: 168,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,030.80 : 181,546.20 = 112,282.80 : x
  2. Step 2: Convert to fraction form
    121,030.80/181,546.20 = 112,282.80/x
  3. Step 3: Cross multiply
    121,030.80x = 181,546.20 × 112,282.80
  4. Step 4: Simplify right side
    121,030.80x = 20,384,515,665.36
  5. Step 5: Solve for x
    x = 20,384,515,665.36/121,030.80
  6. Step 6: Final answer
    x = 168,424.20

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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.