Home / 145,178.56-217,767.36-38,573.18

Finding the Fourth Proportional to 145,178.56, 217,767.36 and 38,573.18

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Solution

The fourth proportional to 145,178.56, 217,767.36 and 38,573.18 is: 57,859.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,178.56 : 217,767.36 = 38,573.18 : x
  2. Step 2: Convert to fraction form
    145,178.56/217,767.36 = 38,573.18/x
  3. Step 3: Cross multiply
    145,178.56x = 217,767.36 × 38,573.18
  4. Step 4: Simplify right side
    145,178.56x = 8,399,978,486.57
  5. Step 5: Solve for x
    x = 8,399,978,486.57/145,178.56
  6. Step 6: Final answer
    x = 57,859.64

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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.