Home / 135,511.20-186,995.93-75,076.29

Finding the Fourth Proportional to 135,511.20, 186,995.93 and 75,076.29

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Solution

The fourth proportional to 135,511.20, 186,995.93 and 75,076.29 is: 103,600.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,511.20 : 186,995.93 = 75,076.29 : x
  2. Step 2: Convert to fraction form
    135,511.20/186,995.93 = 75,076.29/x
  3. Step 3: Cross multiply
    135,511.20x = 186,995.93 × 75,076.29
  4. Step 4: Simplify right side
    135,511.20x = 14,038,960,294.12
  5. Step 5: Solve for x
    x = 14,038,960,294.12/135,511.20
  6. Step 6: Final answer
    x = 103,600.00

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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.