Home / 141,946.80-212,905.80-48,451.20

Finding the Fourth Proportional to 141,946.80, 212,905.80 and 48,451.20

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Solution

The fourth proportional to 141,946.80, 212,905.80 and 48,451.20 is: 72,671.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,946.80 : 212,905.80 = 48,451.20 : x
  2. Step 2: Convert to fraction form
    141,946.80/212,905.80 = 48,451.20/x
  3. Step 3: Cross multiply
    141,946.80x = 212,905.80 × 48,451.20
  4. Step 4: Simplify right side
    141,946.80x = 10,315,541,496.96
  5. Step 5: Solve for x
    x = 10,315,541,496.96/141,946.80
  6. Step 6: Final answer
    x = 72,671.88

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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.