Home / 147,430.56-221,147.34-36,622.56

Finding the Fourth Proportional to 147,430.56, 221,147.34 and 36,622.56

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Solution

The fourth proportional to 147,430.56, 221,147.34 and 36,622.56 is: 54,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,430.56 : 221,147.34 = 36,622.56 : x
  2. Step 2: Convert to fraction form
    147,430.56/221,147.34 = 36,622.56/x
  3. Step 3: Cross multiply
    147,430.56x = 221,147.34 × 36,622.56
  4. Step 4: Simplify right side
    147,430.56x = 8,098,981,727.99
  5. Step 5: Solve for x
    x = 8,098,981,727.99/147,430.56
  6. Step 6: Final answer
    x = 54,934.21

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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.