Home / 147,866.60-221,799.90-121,622.60

Finding the Fourth Proportional to 147,866.60, 221,799.90 and 121,622.60

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Solution

The fourth proportional to 147,866.60, 221,799.90 and 121,622.60 is: 182,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,866.60 : 221,799.90 = 121,622.60 : x
  2. Step 2: Convert to fraction form
    147,866.60/221,799.90 = 121,622.60/x
  3. Step 3: Cross multiply
    147,866.60x = 221,799.90 × 121,622.60
  4. Step 4: Simplify right side
    147,866.60x = 26,975,880,517.74
  5. Step 5: Solve for x
    x = 26,975,880,517.74/147,866.60
  6. Step 6: Final answer
    x = 182,433.90

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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.