Home / 121,933.51-182,884.13-55,358.33

Finding the Fourth Proportional to 121,933.51, 182,884.13 and 55,358.33

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Solution

The fourth proportional to 121,933.51, 182,884.13 and 55,358.33 is: 83,030.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,933.51 : 182,884.13 = 55,358.33 : x
  2. Step 2: Convert to fraction form
    121,933.51/182,884.13 = 55,358.33/x
  3. Step 3: Cross multiply
    121,933.51x = 182,884.13 × 55,358.33
  4. Step 4: Simplify right side
    121,933.51x = 10,124,160,020.30
  5. Step 5: Solve for x
    x = 10,124,160,020.30/121,933.51
  6. Step 6: Final answer
    x = 83,030.17

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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.