Home / 112,536.62-155,227.37-72,186.48

Finding the Fourth Proportional to 112,536.62, 155,227.37 and 72,186.48

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Solution

The fourth proportional to 112,536.62, 155,227.37 and 72,186.48 is: 99,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,536.62 : 155,227.37 = 72,186.48 : x
  2. Step 2: Convert to fraction form
    112,536.62/155,227.37 = 72,186.48/x
  3. Step 3: Cross multiply
    112,536.62x = 155,227.37 × 72,186.48
  4. Step 4: Simplify right side
    112,536.62x = 11,205,317,439.96
  5. Step 5: Solve for x
    x = 11,205,317,439.96/112,536.62
  6. Step 6: Final answer
    x = 99,570.41

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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.