Home / 115,315.74-172,994.52-52,165.61

Finding the Fourth Proportional to 115,315.74, 172,994.52 and 52,165.61

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Solution

The fourth proportional to 115,315.74, 172,994.52 and 52,165.61 is: 78,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,315.74 : 172,994.52 = 52,165.61 : x
  2. Step 2: Convert to fraction form
    115,315.74/172,994.52 = 52,165.61/x
  3. Step 3: Cross multiply
    115,315.74x = 172,994.52 × 52,165.61
  4. Step 4: Simplify right side
    115,315.74x = 9,024,364,662.46
  5. Step 5: Solve for x
    x = 9,024,364,662.46/115,315.74
  6. Step 6: Final answer
    x = 78,257.87

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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.