Home / 148,002.40-222,003.60-129,570.40

Finding the Fourth Proportional to 148,002.40, 222,003.60 and 129,570.40

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Solution

The fourth proportional to 148,002.40, 222,003.60 and 129,570.40 is: 194,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,002.40 : 222,003.60 = 129,570.40 : x
  2. Step 2: Convert to fraction form
    148,002.40/222,003.60 = 129,570.40/x
  3. Step 3: Cross multiply
    148,002.40x = 222,003.60 × 129,570.40
  4. Step 4: Simplify right side
    148,002.40x = 28,765,095,253.44
  5. Step 5: Solve for x
    x = 28,765,095,253.44/148,002.40
  6. Step 6: Final answer
    x = 194,355.60

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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.