Home / 148,246.20-222,636.60-129,875.40

Finding the Fourth Proportional to 148,246.20, 222,636.60 and 129,875.40

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Solution

The fourth proportional to 148,246.20, 222,636.60 and 129,875.40 is: 195,047.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,246.20 : 222,636.60 = 129,875.40 : x
  2. Step 2: Convert to fraction form
    148,246.20/222,636.60 = 129,875.40/x
  3. Step 3: Cross multiply
    148,246.20x = 222,636.60 × 129,875.40
  4. Step 4: Simplify right side
    148,246.20x = 28,915,017,479.64
  5. Step 5: Solve for x
    x = 28,915,017,479.64/148,246.20
  6. Step 6: Final answer
    x = 195,047.28

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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.