Home / 141,840.30-212,746.05-48,344.70

Finding the Fourth Proportional to 141,840.30, 212,746.05 and 48,344.70

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Solution

The fourth proportional to 141,840.30, 212,746.05 and 48,344.70 is: 72,512.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,840.30 : 212,746.05 = 48,344.70 : x
  2. Step 2: Convert to fraction form
    141,840.30/212,746.05 = 48,344.70/x
  3. Step 3: Cross multiply
    141,840.30x = 212,746.05 × 48,344.70
  4. Step 4: Simplify right side
    141,840.30x = 10,285,143,963.44
  5. Step 5: Solve for x
    x = 10,285,143,963.44/141,840.30
  6. Step 6: Final answer
    x = 72,512.14

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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.