Home / 88,929.67-133,488.50-86,921.77

Finding the Fourth Proportional to 88,929.67, 133,488.50 and 86,921.77

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Solution

The fourth proportional to 88,929.67, 133,488.50 and 86,921.77 is: 130,474.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,929.67 : 133,488.50 = 86,921.77 : x
  2. Step 2: Convert to fraction form
    88,929.67/133,488.50 = 86,921.77/x
  3. Step 3: Cross multiply
    88,929.67x = 133,488.50 × 86,921.77
  4. Step 4: Simplify right side
    88,929.67x = 11,603,056,694.65
  5. Step 5: Solve for x
    x = 11,603,056,694.65/88,929.67
  6. Step 6: Final answer
    x = 130,474.53

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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.