Home / 125,913.72-188,884.43-41,643.18

Finding the Fourth Proportional to 125,913.72, 188,884.43 and 41,643.18

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Solution

The fourth proportional to 125,913.72, 188,884.43 and 41,643.18 is: 62,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,913.72 : 188,884.43 = 41,643.18 : x
  2. Step 2: Convert to fraction form
    125,913.72/188,884.43 = 41,643.18/x
  3. Step 3: Cross multiply
    125,913.72x = 188,884.43 × 41,643.18
  4. Step 4: Simplify right side
    125,913.72x = 7,865,748,109.47
  5. Step 5: Solve for x
    x = 7,865,748,109.47/125,913.72
  6. Step 6: Final answer
    x = 62,469.35

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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.