Home / 121,227.92-181,869.40-36,995.60

Finding the Fourth Proportional to 121,227.92, 181,869.40 and 36,995.60

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Solution

The fourth proportional to 121,227.92, 181,869.40 and 36,995.60 is: 55,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,227.92 : 181,869.40 = 36,995.60 : x
  2. Step 2: Convert to fraction form
    121,227.92/181,869.40 = 36,995.60/x
  3. Step 3: Cross multiply
    121,227.92x = 181,869.40 × 36,995.60
  4. Step 4: Simplify right side
    121,227.92x = 6,728,367,574.64
  5. Step 5: Solve for x
    x = 6,728,367,574.64/121,227.92
  6. Step 6: Final answer
    x = 55,501.80

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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.