Home / 121,573.26-182,378.16-42,673.68

Finding the Fourth Proportional to 121,573.26, 182,378.16 and 42,673.68

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Solution

The fourth proportional to 121,573.26, 182,378.16 and 42,673.68 is: 64,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,573.26 : 182,378.16 = 42,673.68 : x
  2. Step 2: Convert to fraction form
    121,573.26/182,378.16 = 42,673.68/x
  3. Step 3: Cross multiply
    121,573.26x = 182,378.16 × 42,673.68
  4. Step 4: Simplify right side
    121,573.26x = 7,782,747,238.83
  5. Step 5: Solve for x
    x = 7,782,747,238.83/121,573.26
  6. Step 6: Final answer
    x = 64,016.93

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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.