Home / 217,635.03-326,337.69-67,847.40

Finding the Fourth Proportional to 217,635.03, 326,337.69 and 67,847.40

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Solution

The fourth proportional to 217,635.03, 326,337.69 and 67,847.40 is: 101,735.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,635.03 : 326,337.69 = 67,847.40 : x
  2. Step 2: Convert to fraction form
    217,635.03/326,337.69 = 67,847.40/x
  3. Step 3: Cross multiply
    217,635.03x = 326,337.69 × 67,847.40
  4. Step 4: Simplify right side
    217,635.03x = 22,141,163,788.51
  5. Step 5: Solve for x
    x = 22,141,163,788.51/217,635.03
  6. Step 6: Final answer
    x = 101,735.29

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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.