Home / 146,079.78-219,119.70-133,132.74

Finding the Fourth Proportional to 146,079.78, 219,119.70 and 133,132.74

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Solution

The fourth proportional to 146,079.78, 219,119.70 and 133,132.74 is: 199,699.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,079.78 : 219,119.70 = 133,132.74 : x
  2. Step 2: Convert to fraction form
    146,079.78/219,119.70 = 133,132.74/x
  3. Step 3: Cross multiply
    146,079.78x = 219,119.70 × 133,132.74
  4. Step 4: Simplify right side
    146,079.78x = 29,172,006,048.98
  5. Step 5: Solve for x
    x = 29,172,006,048.98/146,079.78
  6. Step 6: Final answer
    x = 199,699.14

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1.5x scale

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.