Home / 77,153.52-115,739.58-27,223.35

Finding the Fourth Proportional to 77,153.52, 115,739.58 and 27,223.35

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Solution

The fourth proportional to 77,153.52, 115,739.58 and 27,223.35 is: 40,838.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,153.52 : 115,739.58 = 27,223.35 : x
  2. Step 2: Convert to fraction form
    77,153.52/115,739.58 = 27,223.35/x
  3. Step 3: Cross multiply
    77,153.52x = 115,739.58 × 27,223.35
  4. Step 4: Simplify right side
    77,153.52x = 3,150,819,095.19
  5. Step 5: Solve for x
    x = 3,150,819,095.19/77,153.52
  6. Step 6: Final answer
    x = 40,838.31

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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.