Home / 105,282.24-145,283.36-57,536

Finding the Fourth Proportional to 105,282.24, 145,283.36 and 57,536

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Solution

The fourth proportional to 105,282.24, 145,283.36 and 57,536 is: 79,396.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,282.24 : 145,283.36 = 57,536 : x
  2. Step 2: Convert to fraction form
    105,282.24/145,283.36 = 57,536/x
  3. Step 3: Cross multiply
    105,282.24x = 145,283.36 × 57,536
  4. Step 4: Simplify right side
    105,282.24x = 8,359,023,400.96
  5. Step 5: Solve for x
    x = 8,359,023,400.96/105,282.24
  6. Step 6: Final answer
    x = 79,396.33

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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.