Home / 137,341.69-206,089.07-74,160.47

Finding the Fourth Proportional to 137,341.69, 206,089.07 and 74,160.47

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Solution

The fourth proportional to 137,341.69, 206,089.07 and 74,160.47 is: 111,282.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,341.69 : 206,089.07 = 74,160.47 : x
  2. Step 2: Convert to fraction form
    137,341.69/206,089.07 = 74,160.47/x
  3. Step 3: Cross multiply
    137,341.69x = 206,089.07 × 74,160.47
  4. Step 4: Simplify right side
    137,341.69x = 15,283,662,293.06
  5. Step 5: Solve for x
    x = 15,283,662,293.06/137,341.69
  6. Step 6: Final answer
    x = 111,282.03

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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.