Home / 121,315.80-181,979.10-41,352.60

Finding the Fourth Proportional to 121,315.80, 181,979.10 and 41,352.60

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Solution

The fourth proportional to 121,315.80, 181,979.10 and 41,352.60 is: 62,030.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,315.80 : 181,979.10 = 41,352.60 : x
  2. Step 2: Convert to fraction form
    121,315.80/181,979.10 = 41,352.60/x
  3. Step 3: Cross multiply
    121,315.80x = 181,979.10 × 41,352.60
  4. Step 4: Simplify right side
    121,315.80x = 7,525,308,930.66
  5. Step 5: Solve for x
    x = 7,525,308,930.66/121,315.80
  6. Step 6: Final answer
    x = 62,030.74

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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.