Home / 145,490.49-217,169.37-134,804.61

Finding the Fourth Proportional to 145,490.49, 217,169.37 and 134,804.61

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Solution

The fourth proportional to 145,490.49, 217,169.37 and 134,804.61 is: 201,218.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,490.49 : 217,169.37 = 134,804.61 : x
  2. Step 2: Convert to fraction form
    145,490.49/217,169.37 = 134,804.61/x
  3. Step 3: Cross multiply
    145,490.49x = 217,169.37 × 134,804.61
  4. Step 4: Simplify right side
    145,490.49x = 29,275,432,226.80
  5. Step 5: Solve for x
    x = 29,275,432,226.80/145,490.49
  6. Step 6: Final answer
    x = 201,218.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.