Home / 160,013.27-220,816.41-87,415.80

Finding the Fourth Proportional to 160,013.27, 220,816.41 and 87,415.80

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Solution

The fourth proportional to 160,013.27, 220,816.41 and 87,415.80 is: 120,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,013.27 : 220,816.41 = 87,415.80 : x
  2. Step 2: Convert to fraction form
    160,013.27/220,816.41 = 87,415.80/x
  3. Step 3: Cross multiply
    160,013.27x = 220,816.41 × 87,415.80
  4. Step 4: Simplify right side
    160,013.27x = 19,302,843,133.28
  5. Step 5: Solve for x
    x = 19,302,843,133.28/160,013.27
  6. Step 6: Final answer
    x = 120,632.77

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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.