Home / 149,987.86-206,563.17-146,721.94

Finding the Fourth Proportional to 149,987.86, 206,563.17 and 146,721.94

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Solution

The fourth proportional to 149,987.86, 206,563.17 and 146,721.94 is: 202,065.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,987.86 : 206,563.17 = 146,721.94 : x
  2. Step 2: Convert to fraction form
    149,987.86/206,563.17 = 146,721.94/x
  3. Step 3: Cross multiply
    149,987.86x = 206,563.17 × 146,721.94
  4. Step 4: Simplify right side
    149,987.86x = 30,307,349,034.95
  5. Step 5: Solve for x
    x = 30,307,349,034.95/149,987.86
  6. Step 6: Final answer
    x = 202,065.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.