Home / 109,011.61-150,448.49-60,618.36

Finding the Fourth Proportional to 109,011.61, 150,448.49 and 60,618.36

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Solution

The fourth proportional to 109,011.61, 150,448.49 and 60,618.36 is: 83,660.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,011.61 : 150,448.49 = 60,618.36 : x
  2. Step 2: Convert to fraction form
    109,011.61/150,448.49 = 60,618.36/x
  3. Step 3: Cross multiply
    109,011.61x = 150,448.49 × 60,618.36
  4. Step 4: Simplify right side
    109,011.61x = 9,119,940,425.18
  5. Step 5: Solve for x
    x = 9,119,940,425.18/109,011.61
  6. Step 6: Final answer
    x = 83,660.27

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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.