Home / 135,040.10-202,398.15-56,113.70

Finding the Fourth Proportional to 135,040.10, 202,398.15 and 56,113.70

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Solution

The fourth proportional to 135,040.10, 202,398.15 and 56,113.70 is: 84,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,040.10 : 202,398.15 = 56,113.70 : x
  2. Step 2: Convert to fraction form
    135,040.10/202,398.15 = 56,113.70/x
  3. Step 3: Cross multiply
    135,040.10x = 202,398.15 × 56,113.70
  4. Step 4: Simplify right side
    135,040.10x = 11,357,309,069.66
  5. Step 5: Solve for x
    x = 11,357,309,069.66/135,040.10
  6. Step 6: Final answer
    x = 84,103.23

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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.