Home / 141,436.78-211,871.07-65,428.84

Finding the Fourth Proportional to 141,436.78, 211,871.07 and 65,428.84

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Solution

The fourth proportional to 141,436.78, 211,871.07 and 65,428.84 is: 98,011.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,436.78 : 211,871.07 = 65,428.84 : x
  2. Step 2: Convert to fraction form
    141,436.78/211,871.07 = 65,428.84/x
  3. Step 3: Cross multiply
    141,436.78x = 211,871.07 × 65,428.84
  4. Step 4: Simplify right side
    141,436.78x = 13,862,478,339.66
  5. Step 5: Solve for x
    x = 13,862,478,339.66/141,436.78
  6. Step 6: Final answer
    x = 98,011.83

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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.