Home / 96,838.56-145,530-57,401.28

Finding the Fourth Proportional to 96,838.56, 145,530 and 57,401.28

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Solution

The fourth proportional to 96,838.56, 145,530 and 57,401.28 is: 86,263.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,838.56 : 145,530 = 57,401.28 : x
  2. Step 2: Convert to fraction form
    96,838.56/145,530 = 57,401.28/x
  3. Step 3: Cross multiply
    96,838.56x = 145,530 × 57,401.28
  4. Step 4: Simplify right side
    96,838.56x = 8,353,608,278.40
  5. Step 5: Solve for x
    x = 8,353,608,278.40/96,838.56
  6. Step 6: Final answer
    x = 86,263.24

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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.