Home / 170,309.52-255,464.28-51,981.48

Finding the Fourth Proportional to 170,309.52, 255,464.28 and 51,981.48

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Solution

The fourth proportional to 170,309.52, 255,464.28 and 51,981.48 is: 77,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,309.52 : 255,464.28 = 51,981.48 : x
  2. Step 2: Convert to fraction form
    170,309.52/255,464.28 = 51,981.48/x
  3. Step 3: Cross multiply
    170,309.52x = 255,464.28 × 51,981.48
  4. Step 4: Simplify right side
    170,309.52x = 13,279,411,361.53
  5. Step 5: Solve for x
    x = 13,279,411,361.53/170,309.52
  6. Step 6: Final answer
    x = 77,972.22

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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.