Home / 141,727.72-212,628.09-52,981.87

Finding the Fourth Proportional to 141,727.72, 212,628.09 and 52,981.87

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Solution

The fourth proportional to 141,727.72, 212,628.09 and 52,981.87 is: 79,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,727.72 : 212,628.09 = 52,981.87 : x
  2. Step 2: Convert to fraction form
    141,727.72/212,628.09 = 52,981.87/x
  3. Step 3: Cross multiply
    141,727.72x = 212,628.09 × 52,981.87
  4. Step 4: Simplify right side
    141,727.72x = 11,265,433,822.73
  5. Step 5: Solve for x
    x = 11,265,433,822.73/141,727.72
  6. Step 6: Final answer
    x = 79,486.45

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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.