Home / 210,499.92-290,479.32-114,989.04

Finding the Fourth Proportional to 210,499.92, 290,479.32 and 114,989.04

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Solution

The fourth proportional to 210,499.92, 290,479.32 and 114,989.04 is: 158,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,499.92 : 290,479.32 = 114,989.04 : x
  2. Step 2: Convert to fraction form
    210,499.92/290,479.32 = 114,989.04/x
  3. Step 3: Cross multiply
    210,499.92x = 290,479.32 × 114,989.04
  4. Step 4: Simplify right side
    210,499.92x = 33,401,938,146.65
  5. Step 5: Solve for x
    x = 33,401,938,146.65/210,499.92
  6. Step 6: Final answer
    x = 158,679.10

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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.