Home / 88,778.08-133,166.04-26,443.72

Finding the Fourth Proportional to 88,778.08, 133,166.04 and 26,443.72

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Solution

The fourth proportional to 88,778.08, 133,166.04 and 26,443.72 is: 39,665.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,778.08 : 133,166.04 = 26,443.72 : x
  2. Step 2: Convert to fraction form
    88,778.08/133,166.04 = 26,443.72/x
  3. Step 3: Cross multiply
    88,778.08x = 133,166.04 × 26,443.72
  4. Step 4: Simplify right side
    88,778.08x = 3,521,405,475.27
  5. Step 5: Solve for x
    x = 3,521,405,475.27/88,778.08
  6. Step 6: Final answer
    x = 39,665.26

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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.