Home / 168,420.90-251,398.20-148,492.38

Finding the Fourth Proportional to 168,420.90, 251,398.20 and 148,492.38

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Solution

The fourth proportional to 168,420.90, 251,398.20 and 148,492.38 is: 221,651.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,420.90 : 251,398.20 = 148,492.38 : x
  2. Step 2: Convert to fraction form
    168,420.90/251,398.20 = 148,492.38/x
  3. Step 3: Cross multiply
    168,420.90x = 251,398.20 × 148,492.38
  4. Step 4: Simplify right side
    168,420.90x = 37,330,717,045.72
  5. Step 5: Solve for x
    x = 37,330,717,045.72/168,420.90
  6. Step 6: Final answer
    x = 221,651.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.