Home / 147,410.80-221,116.20-40,794.55

Finding the Fourth Proportional to 147,410.80, 221,116.20 and 40,794.55

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Solution

The fourth proportional to 147,410.80, 221,116.20 and 40,794.55 is: 61,191.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,410.80 : 221,116.20 = 40,794.55 : x
  2. Step 2: Convert to fraction form
    147,410.80/221,116.20 = 40,794.55/x
  3. Step 3: Cross multiply
    147,410.80x = 221,116.20 × 40,794.55
  4. Step 4: Simplify right side
    147,410.80x = 9,020,335,876.71
  5. Step 5: Solve for x
    x = 9,020,335,876.71/147,410.80
  6. Step 6: Final answer
    x = 61,191.83

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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.