Home / 147,619.90-221,451.45-47,763.10

Finding the Fourth Proportional to 147,619.90, 221,451.45 and 47,763.10

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Solution

The fourth proportional to 147,619.90, 221,451.45 and 47,763.10 is: 71,651.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,619.90 : 221,451.45 = 47,763.10 : x
  2. Step 2: Convert to fraction form
    147,619.90/221,451.45 = 47,763.10/x
  3. Step 3: Cross multiply
    147,619.90x = 221,451.45 × 47,763.10
  4. Step 4: Simplify right side
    147,619.90x = 10,577,207,751.50
  5. Step 5: Solve for x
    x = 10,577,207,751.50/147,619.90
  6. Step 6: Final answer
    x = 71,651.64

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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.