Home / 243,890.48-336,560.27-134,995.03

Finding the Fourth Proportional to 243,890.48, 336,560.27 and 134,995.03

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Solution

The fourth proportional to 243,890.48, 336,560.27 and 134,995.03 is: 186,288.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,890.48 : 336,560.27 = 134,995.03 : x
  2. Step 2: Convert to fraction form
    243,890.48/336,560.27 = 134,995.03/x
  3. Step 3: Cross multiply
    243,890.48x = 336,560.27 × 134,995.03
  4. Step 4: Simplify right side
    243,890.48x = 45,433,963,745.46
  5. Step 5: Solve for x
    x = 45,433,963,745.46/243,890.48
  6. Step 6: Final answer
    x = 186,288.39

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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.