Home / 210,442.10-290,401.65-114,952.19

Finding the Fourth Proportional to 210,442.10, 290,401.65 and 114,952.19

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Solution

The fourth proportional to 210,442.10, 290,401.65 and 114,952.19 is: 158,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,442.10 : 290,401.65 = 114,952.19 : x
  2. Step 2: Convert to fraction form
    210,442.10/290,401.65 = 114,952.19/x
  3. Step 3: Cross multiply
    210,442.10x = 290,401.65 × 114,952.19
  4. Step 4: Simplify right side
    210,442.10x = 33,382,304,195.11
  5. Step 5: Solve for x
    x = 33,382,304,195.11/210,442.10
  6. Step 6: Final answer
    x = 158,629.40

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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.