Home / 140,953.46-211,363.23-81,807.26

Finding the Fourth Proportional to 140,953.46, 211,363.23 and 81,807.26

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Solution

The fourth proportional to 140,953.46, 211,363.23 and 81,807.26 is: 122,672.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,953.46 : 211,363.23 = 81,807.26 : x
  2. Step 2: Convert to fraction form
    140,953.46/211,363.23 = 81,807.26/x
  3. Step 3: Cross multiply
    140,953.46x = 211,363.23 × 81,807.26
  4. Step 4: Simplify right side
    140,953.46x = 17,291,046,711.05
  5. Step 5: Solve for x
    x = 17,291,046,711.05/140,953.46
  6. Step 6: Final answer
    x = 122,672.03

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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.