Home / 145,048.91-217,567.89-39,865.14

Finding the Fourth Proportional to 145,048.91, 217,567.89 and 39,865.14

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Solution

The fourth proportional to 145,048.91, 217,567.89 and 39,865.14 is: 59,796.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,048.91 : 217,567.89 = 39,865.14 : x
  2. Step 2: Convert to fraction form
    145,048.91/217,567.89 = 39,865.14/x
  3. Step 3: Cross multiply
    145,048.91x = 217,567.89 × 39,865.14
  4. Step 4: Simplify right side
    145,048.91x = 8,673,374,394.35
  5. Step 5: Solve for x
    x = 8,673,374,394.35/145,048.91
  6. Step 6: Final answer
    x = 59,796.21

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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.