Home / 165,767.40-248,651.10-139,523.40

Finding the Fourth Proportional to 165,767.40, 248,651.10 and 139,523.40

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Solution

The fourth proportional to 165,767.40, 248,651.10 and 139,523.40 is: 209,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,767.40 : 248,651.10 = 139,523.40 : x
  2. Step 2: Convert to fraction form
    165,767.40/248,651.10 = 139,523.40/x
  3. Step 3: Cross multiply
    165,767.40x = 248,651.10 × 139,523.40
  4. Step 4: Simplify right side
    165,767.40x = 34,692,646,885.74
  5. Step 5: Solve for x
    x = 34,692,646,885.74/165,767.40
  6. Step 6: Final answer
    x = 209,285.10

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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.