Home / 135,320.90-202,981.35-41,855.30

Finding the Fourth Proportional to 135,320.90, 202,981.35 and 41,855.30

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Solution

The fourth proportional to 135,320.90, 202,981.35 and 41,855.30 is: 62,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,320.90 : 202,981.35 = 41,855.30 : x
  2. Step 2: Convert to fraction form
    135,320.90/202,981.35 = 41,855.30/x
  3. Step 3: Cross multiply
    135,320.90x = 202,981.35 × 41,855.30
  4. Step 4: Simplify right side
    135,320.90x = 8,495,845,298.66
  5. Step 5: Solve for x
    x = 8,495,845,298.66/135,320.90
  6. Step 6: Final answer
    x = 62,782.95

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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.