Home / 131,479.20-196,927.20-52,552.80

Finding the Fourth Proportional to 131,479.20, 196,927.20 and 52,552.80

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Solution

The fourth proportional to 131,479.20, 196,927.20 and 52,552.80 is: 78,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,479.20 : 196,927.20 = 52,552.80 : x
  2. Step 2: Convert to fraction form
    131,479.20/196,927.20 = 52,552.80/x
  3. Step 3: Cross multiply
    131,479.20x = 196,927.20 × 52,552.80
  4. Step 4: Simplify right side
    131,479.20x = 10,349,075,756.16
  5. Step 5: Solve for x
    x = 10,349,075,756.16/131,479.20
  6. Step 6: Final answer
    x = 78,712.65

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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.