Home / 112,134.74-154,743.98-61,147.86

Finding the Fourth Proportional to 112,134.74, 154,743.98 and 61,147.86

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Solution

The fourth proportional to 112,134.74, 154,743.98 and 61,147.86 is: 84,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,134.74 : 154,743.98 = 61,147.86 : x
  2. Step 2: Convert to fraction form
    112,134.74/154,743.98 = 61,147.86/x
  3. Step 3: Cross multiply
    112,134.74x = 154,743.98 × 61,147.86
  4. Step 4: Simplify right side
    112,134.74x = 9,462,263,224.88
  5. Step 5: Solve for x
    x = 9,462,263,224.88/112,134.74
  6. Step 6: Final answer
    x = 84,382.98

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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.