Home / 102,186.18-153,297.59-42,214.65

Finding the Fourth Proportional to 102,186.18, 153,297.59 and 42,214.65

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Solution

The fourth proportional to 102,186.18, 153,297.59 and 42,214.65 is: 63,329.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,186.18 : 153,297.59 = 42,214.65 : x
  2. Step 2: Convert to fraction form
    102,186.18/153,297.59 = 42,214.65/x
  3. Step 3: Cross multiply
    102,186.18x = 153,297.59 × 42,214.65
  4. Step 4: Simplify right side
    102,186.18x = 6,471,403,896.62
  5. Step 5: Solve for x
    x = 6,471,403,896.62/102,186.18
  6. Step 6: Final answer
    x = 63,329.54

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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.