Home / 145,012.88-217,527.63-38,394.06

Finding the Fourth Proportional to 145,012.88, 217,527.63 and 38,394.06

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Solution

The fourth proportional to 145,012.88, 217,527.63 and 38,394.06 is: 57,593.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,012.88 : 217,527.63 = 38,394.06 : x
  2. Step 2: Convert to fraction form
    145,012.88/217,527.63 = 38,394.06/x
  3. Step 3: Cross multiply
    145,012.88x = 217,527.63 × 38,394.06
  4. Step 4: Simplify right side
    145,012.88x = 8,351,769,421.70
  5. Step 5: Solve for x
    x = 8,351,769,421.70/145,012.88
  6. Step 6: Final answer
    x = 57,593.29

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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.