Home / 173,621.10-260,042.85-103,637.10

Finding the Fourth Proportional to 173,621.10, 260,042.85 and 103,637.10

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Solution

The fourth proportional to 173,621.10, 260,042.85 and 103,637.10 is: 155,223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,621.10 : 260,042.85 = 103,637.10 : x
  2. Step 2: Convert to fraction form
    173,621.10/260,042.85 = 103,637.10/x
  3. Step 3: Cross multiply
    173,621.10x = 260,042.85 × 103,637.10
  4. Step 4: Simplify right side
    173,621.10x = 26,950,086,849.74
  5. Step 5: Solve for x
    x = 26,950,086,849.74/173,621.10
  6. Step 6: Final answer
    x = 155,223.57

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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.