Home / 148,274.20-204,618.18-81,206.20

Finding the Fourth Proportional to 148,274.20, 204,618.18 and 81,206.20

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Solution

The fourth proportional to 148,274.20, 204,618.18 and 81,206.20 is: 112,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,274.20 : 204,618.18 = 81,206.20 : x
  2. Step 2: Convert to fraction form
    148,274.20/204,618.18 = 81,206.20/x
  3. Step 3: Cross multiply
    148,274.20x = 204,618.18 × 81,206.20
  4. Step 4: Simplify right side
    148,274.20x = 16,616,264,848.72
  5. Step 5: Solve for x
    x = 16,616,264,848.72/148,274.20
  6. Step 6: Final answer
    x = 112,064.44

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1.5x scale

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.