Home / 155,697.36-214,878.23-95,307.91

Finding the Fourth Proportional to 155,697.36, 214,878.23 and 95,307.91

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Solution

The fourth proportional to 155,697.36, 214,878.23 and 95,307.91 is: 131,534.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,697.36 : 214,878.23 = 95,307.91 : x
  2. Step 2: Convert to fraction form
    155,697.36/214,878.23 = 95,307.91/x
  3. Step 3: Cross multiply
    155,697.36x = 214,878.23 × 95,307.91
  4. Step 4: Simplify right side
    155,697.36x = 20,479,593,454.87
  5. Step 5: Solve for x
    x = 20,479,593,454.87/155,697.36
  6. Step 6: Final answer
    x = 131,534.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.