Home / 91,143.81-125,758.26-52,881.18

Finding the Fourth Proportional to 91,143.81, 125,758.26 and 52,881.18

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Solution

The fourth proportional to 91,143.81, 125,758.26 and 52,881.18 is: 72,964.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,143.81 : 125,758.26 = 52,881.18 : x
  2. Step 2: Convert to fraction form
    91,143.81/125,758.26 = 52,881.18/x
  3. Step 3: Cross multiply
    91,143.81x = 125,758.26 × 52,881.18
  4. Step 4: Simplify right side
    91,143.81x = 6,650,245,183.55
  5. Step 5: Solve for x
    x = 6,650,245,183.55/91,143.81
  6. Step 6: Final answer
    x = 72,964.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.