Home / 147,632.92-221,416.26-42,428.44

Finding the Fourth Proportional to 147,632.92, 221,416.26 and 42,428.44

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Solution

The fourth proportional to 147,632.92, 221,416.26 and 42,428.44 is: 63,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,632.92 : 221,416.26 = 42,428.44 : x
  2. Step 2: Convert to fraction form
    147,632.92/221,416.26 = 42,428.44/x
  3. Step 3: Cross multiply
    147,632.92x = 221,416.26 × 42,428.44
  4. Step 4: Simplify right side
    147,632.92x = 9,394,346,502.43
  5. Step 5: Solve for x
    x = 9,394,346,502.43/147,632.92
  6. Step 6: Final answer
    x = 63,633.14

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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.