Home / 103,264.70-142,496.54-57,936.56

Finding the Fourth Proportional to 103,264.70, 142,496.54 and 57,936.56

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Solution

The fourth proportional to 103,264.70, 142,496.54 and 57,936.56 is: 79,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,264.70 : 142,496.54 = 57,936.56 : x
  2. Step 2: Convert to fraction form
    103,264.70/142,496.54 = 57,936.56/x
  3. Step 3: Cross multiply
    103,264.70x = 142,496.54 × 57,936.56
  4. Step 4: Simplify right side
    103,264.70x = 8,255,759,339.50
  5. Step 5: Solve for x
    x = 8,255,759,339.50/103,264.70
  6. Step 6: Final answer
    x = 79,947.55

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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.