Home / 145,506.32-217,853.96-74,275.73

Finding the Fourth Proportional to 145,506.32, 217,853.96 and 74,275.73

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Solution

The fourth proportional to 145,506.32, 217,853.96 and 74,275.73 is: 111,206.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,506.32 : 217,853.96 = 74,275.73 : x
  2. Step 2: Convert to fraction form
    145,506.32/217,853.96 = 74,275.73/x
  3. Step 3: Cross multiply
    145,506.32x = 217,853.96 × 74,275.73
  4. Step 4: Simplify right side
    145,506.32x = 16,181,261,268.69
  5. Step 5: Solve for x
    x = 16,181,261,268.69/145,506.32
  6. Step 6: Final answer
    x = 111,206.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.