Home / 147,634.92-221,419.26-42,430.44

Finding the Fourth Proportional to 147,634.92, 221,419.26 and 42,430.44

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Solution

The fourth proportional to 147,634.92, 221,419.26 and 42,430.44 is: 63,636.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,634.92 : 221,419.26 = 42,430.44 : x
  2. Step 2: Convert to fraction form
    147,634.92/221,419.26 = 42,430.44/x
  3. Step 3: Cross multiply
    147,634.92x = 221,419.26 × 42,430.44
  4. Step 4: Simplify right side
    147,634.92x = 9,394,916,626.27
  5. Step 5: Solve for x
    x = 9,394,916,626.27/147,634.92
  6. Step 6: Final answer
    x = 63,636.14

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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.