Home / 147,622.60-221,433.90-136,217.80

Finding the Fourth Proportional to 147,622.60, 221,433.90 and 136,217.80

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Solution

The fourth proportional to 147,622.60, 221,433.90 and 136,217.80 is: 204,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622.60 : 221,433.90 = 136,217.80 : x
  2. Step 2: Convert to fraction form
    147,622.60/221,433.90 = 136,217.80/x
  3. Step 3: Cross multiply
    147,622.60x = 221,433.90 × 136,217.80
  4. Step 4: Simplify right side
    147,622.60x = 30,163,238,703.42
  5. Step 5: Solve for x
    x = 30,163,238,703.42/147,622.60
  6. Step 6: Final answer
    x = 204,326.70

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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.