Home / 140,865.72-211,165.56-47,305.92

Finding the Fourth Proportional to 140,865.72, 211,165.56 and 47,305.92

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Solution

The fourth proportional to 140,865.72, 211,165.56 and 47,305.92 is: 70,914.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,865.72 : 211,165.56 = 47,305.92 : x
  2. Step 2: Convert to fraction form
    140,865.72/211,165.56 = 47,305.92/x
  3. Step 3: Cross multiply
    140,865.72x = 211,165.56 × 47,305.92
  4. Step 4: Simplify right side
    140,865.72x = 9,989,381,088.12
  5. Step 5: Solve for x
    x = 9,989,381,088.12/140,865.72
  6. Step 6: Final answer
    x = 70,914.21

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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.