Home / 121,216.23-181,836.68-32,478.71

Finding the Fourth Proportional to 121,216.23, 181,836.68 and 32,478.71

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Solution

The fourth proportional to 121,216.23, 181,836.68 and 32,478.71 is: 48,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,216.23 : 181,836.68 = 32,478.71 : x
  2. Step 2: Convert to fraction form
    121,216.23/181,836.68 = 32,478.71/x
  3. Step 3: Cross multiply
    121,216.23x = 181,836.68 × 32,478.71
  4. Step 4: Simplify right side
    121,216.23x = 5,905,819,725.51
  5. Step 5: Solve for x
    x = 5,905,819,725.51/121,216.23
  6. Step 6: Final answer
    x = 48,721.36

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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.