Home / 146,915.57-220,031.53-142,874.93

Finding the Fourth Proportional to 146,915.57, 220,031.53 and 142,874.93

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Solution

The fourth proportional to 146,915.57, 220,031.53 and 142,874.93 is: 213,979.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,915.57 : 220,031.53 = 142,874.93 : x
  2. Step 2: Convert to fraction form
    146,915.57/220,031.53 = 142,874.93/x
  3. Step 3: Cross multiply
    146,915.57x = 220,031.53 × 142,874.93
  4. Step 4: Simplify right side
    146,915.57x = 31,436,987,989.20
  5. Step 5: Solve for x
    x = 31,436,987,989.20/146,915.57
  6. Step 6: Final answer
    x = 213,979.97

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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.