Home / 112,238.10-154,883.75-61,249.55

Finding the Fourth Proportional to 112,238.10, 154,883.75 and 61,249.55

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Solution

The fourth proportional to 112,238.10, 154,883.75 and 61,249.55 is: 84,521.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,238.10 : 154,883.75 = 61,249.55 : x
  2. Step 2: Convert to fraction form
    112,238.10/154,883.75 = 61,249.55/x
  3. Step 3: Cross multiply
    112,238.10x = 154,883.75 × 61,249.55
  4. Step 4: Simplify right side
    112,238.10x = 9,486,558,909.15
  5. Step 5: Solve for x
    x = 9,486,558,909.15/112,238.10
  6. Step 6: Final answer
    x = 84,521.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.