Home / 109,215.92-150,722.82-61,472.36

Finding the Fourth Proportional to 109,215.92, 150,722.82 and 61,472.36

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Solution

The fourth proportional to 109,215.92, 150,722.82 and 61,472.36 is: 84,834.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,215.92 : 150,722.82 = 61,472.36 : x
  2. Step 2: Convert to fraction form
    109,215.92/150,722.82 = 61,472.36/x
  3. Step 3: Cross multiply
    109,215.92x = 150,722.82 × 61,472.36
  4. Step 4: Simplify right side
    109,215.92x = 9,265,287,451.26
  5. Step 5: Solve for x
    x = 9,265,287,451.26/109,215.92
  6. Step 6: Final answer
    x = 84,834.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.