Home / 83,161.05-124,820.43-51,475.26

Finding the Fourth Proportional to 83,161.05, 124,820.43 and 51,475.26

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Solution

The fourth proportional to 83,161.05, 124,820.43 and 51,475.26 is: 77,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,161.05 : 124,820.43 = 51,475.26 : x
  2. Step 2: Convert to fraction form
    83,161.05/124,820.43 = 51,475.26/x
  3. Step 3: Cross multiply
    83,161.05x = 124,820.43 × 51,475.26
  4. Step 4: Simplify right side
    83,161.05x = 6,425,164,087.56
  5. Step 5: Solve for x
    x = 6,425,164,087.56/83,161.05
  6. Step 6: Final answer
    x = 77,261.70

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1.5x scale

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.