Home / 147,730.60-221,595.90-68,852.80

Finding the Fourth Proportional to 147,730.60, 221,595.90 and 68,852.80

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Solution

The fourth proportional to 147,730.60, 221,595.90 and 68,852.80 is: 103,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,730.60 : 221,595.90 = 68,852.80 : x
  2. Step 2: Convert to fraction form
    147,730.60/221,595.90 = 68,852.80/x
  3. Step 3: Cross multiply
    147,730.60x = 221,595.90 × 68,852.80
  4. Step 4: Simplify right side
    147,730.60x = 15,257,498,183.52
  5. Step 5: Solve for x
    x = 15,257,498,183.52/147,730.60
  6. Step 6: Final answer
    x = 103,279.20

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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.