Home / 159,523.27-220,152.78-87,903.29

Finding the Fourth Proportional to 159,523.27, 220,152.78 and 87,903.29

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Solution

The fourth proportional to 159,523.27, 220,152.78 and 87,903.29 is: 121,312.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,523.27 : 220,152.78 = 87,903.29 : x
  2. Step 2: Convert to fraction form
    159,523.27/220,152.78 = 87,903.29/x
  3. Step 3: Cross multiply
    159,523.27x = 220,152.78 × 87,903.29
  4. Step 4: Simplify right side
    159,523.27x = 19,352,153,664.65
  5. Step 5: Solve for x
    x = 19,352,153,664.65/159,523.27
  6. Step 6: Final answer
    x = 121,312.42

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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.