Home / 243,943.14-336,641.51-136,533.90

Finding the Fourth Proportional to 243,943.14, 336,641.51 and 136,533.90

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Solution

The fourth proportional to 243,943.14, 336,641.51 and 136,533.90 is: 188,416.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,943.14 : 336,641.51 = 136,533.90 : x
  2. Step 2: Convert to fraction form
    243,943.14/336,641.51 = 136,533.90/x
  3. Step 3: Cross multiply
    243,943.14x = 336,641.51 × 136,533.90
  4. Step 4: Simplify right side
    243,943.14x = 45,962,978,262.19
  5. Step 5: Solve for x
    x = 45,962,978,262.19/243,943.14
  6. Step 6: Final answer
    x = 188,416.77

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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.