Home / 141,160.76-211,828.92-87,957.20

Finding the Fourth Proportional to 141,160.76, 211,828.92 and 87,957.20

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Solution

The fourth proportional to 141,160.76, 211,828.92 and 87,957.20 is: 131,990.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,160.76 : 211,828.92 = 87,957.20 : x
  2. Step 2: Convert to fraction form
    141,160.76/211,828.92 = 87,957.20/x
  3. Step 3: Cross multiply
    141,160.76x = 211,828.92 × 87,957.20
  4. Step 4: Simplify right side
    141,160.76x = 18,631,878,682.22
  5. Step 5: Solve for x
    x = 18,631,878,682.22/141,160.76
  6. Step 6: Final answer
    x = 131,990.50

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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.