Home / 141,755.10-212,661.45-48,270.30

Finding the Fourth Proportional to 141,755.10, 212,661.45 and 48,270.30

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Solution

The fourth proportional to 141,755.10, 212,661.45 and 48,270.30 is: 72,415.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,755.10 : 212,661.45 = 48,270.30 : x
  2. Step 2: Convert to fraction form
    141,755.10/212,661.45 = 48,270.30/x
  3. Step 3: Cross multiply
    141,755.10x = 212,661.45 × 48,270.30
  4. Step 4: Simplify right side
    141,755.10x = 10,265,231,989.94
  5. Step 5: Solve for x
    x = 10,265,231,989.94/141,755.10
  6. Step 6: Final answer
    x = 72,415.26

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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.