Home / 168,029.64-252,044.46-138,328.36

Finding the Fourth Proportional to 168,029.64, 252,044.46 and 138,328.36

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Solution

The fourth proportional to 168,029.64, 252,044.46 and 138,328.36 is: 207,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,029.64 : 252,044.46 = 138,328.36 : x
  2. Step 2: Convert to fraction form
    168,029.64/252,044.46 = 138,328.36/x
  3. Step 3: Cross multiply
    168,029.64x = 252,044.46 × 138,328.36
  4. Step 4: Simplify right side
    168,029.64x = 34,864,896,168.77
  5. Step 5: Solve for x
    x = 34,864,896,168.77/168,029.64
  6. Step 6: Final answer
    x = 207,492.54

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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.