Home / 152,052.80-228,079.20-102,286.40

Finding the Fourth Proportional to 152,052.80, 228,079.20 and 102,286.40

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Solution

The fourth proportional to 152,052.80, 228,079.20 and 102,286.40 is: 153,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,052.80 : 228,079.20 = 102,286.40 : x
  2. Step 2: Convert to fraction form
    152,052.80/228,079.20 = 102,286.40/x
  3. Step 3: Cross multiply
    152,052.80x = 228,079.20 × 102,286.40
  4. Step 4: Simplify right side
    152,052.80x = 23,329,400,282.88
  5. Step 5: Solve for x
    x = 23,329,400,282.88/152,052.80
  6. Step 6: Final answer
    x = 153,429.60

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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.