Home / 233,345.45-322,040.81-142,761.65

Finding the Fourth Proportional to 233,345.45, 322,040.81 and 142,761.65

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Solution

The fourth proportional to 233,345.45, 322,040.81 and 142,761.65 is: 197,025.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,345.45 : 322,040.81 = 142,761.65 : x
  2. Step 2: Convert to fraction form
    233,345.45/322,040.81 = 142,761.65/x
  3. Step 3: Cross multiply
    233,345.45x = 322,040.81 × 142,761.65
  4. Step 4: Simplify right side
    233,345.45x = 45,975,076,149.64
  5. Step 5: Solve for x
    x = 45,975,076,149.64/233,345.45
  6. Step 6: Final answer
    x = 197,025.81

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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.