Home / 134,853.40-202,280.10-68,498.20

Finding the Fourth Proportional to 134,853.40, 202,280.10 and 68,498.20

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Solution

The fourth proportional to 134,853.40, 202,280.10 and 68,498.20 is: 102,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,853.40 : 202,280.10 = 68,498.20 : x
  2. Step 2: Convert to fraction form
    134,853.40/202,280.10 = 68,498.20/x
  3. Step 3: Cross multiply
    134,853.40x = 202,280.10 × 68,498.20
  4. Step 4: Simplify right side
    134,853.40x = 13,855,822,745.82
  5. Step 5: Solve for x
    x = 13,855,822,745.82/134,853.40
  6. Step 6: Final answer
    x = 102,747.30

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1.5x scale

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.