Home / 112,752.42-155,600.36-61,764.33

Finding the Fourth Proportional to 112,752.42, 155,600.36 and 61,764.33

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Solution

The fourth proportional to 112,752.42, 155,600.36 and 61,764.33 is: 85,235.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,752.42 : 155,600.36 = 61,764.33 : x
  2. Step 2: Convert to fraction form
    112,752.42/155,600.36 = 61,764.33/x
  3. Step 3: Cross multiply
    112,752.42x = 155,600.36 × 61,764.33
  4. Step 4: Simplify right side
    112,752.42x = 9,610,551,983.16
  5. Step 5: Solve for x
    x = 9,610,551,983.16/112,752.42
  6. Step 6: Final answer
    x = 85,235.88

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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.