Home / 223,513.24-308,442.18-122,911.24

Finding the Fourth Proportional to 223,513.24, 308,442.18 and 122,911.24

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Solution

The fourth proportional to 223,513.24, 308,442.18 and 122,911.24 is: 169,614.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,513.24 : 308,442.18 = 122,911.24 : x
  2. Step 2: Convert to fraction form
    223,513.24/308,442.18 = 122,911.24/x
  3. Step 3: Cross multiply
    223,513.24x = 308,442.18 × 122,911.24
  4. Step 4: Simplify right side
    223,513.24x = 37,911,010,812.10
  5. Step 5: Solve for x
    x = 37,911,010,812.10/223,513.24
  6. Step 6: Final answer
    x = 169,614.16

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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.