Home / 112,914.74-155,822.34-62,613.74

Finding the Fourth Proportional to 112,914.74, 155,822.34 and 62,613.74

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Solution

The fourth proportional to 112,914.74, 155,822.34 and 62,613.74 is: 86,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,914.74 : 155,822.34 = 62,613.74 : x
  2. Step 2: Convert to fraction form
    112,914.74/155,822.34 = 62,613.74/x
  3. Step 3: Cross multiply
    112,914.74x = 155,822.34 × 62,613.74
  4. Step 4: Simplify right side
    112,914.74x = 9,756,619,273.83
  5. Step 5: Solve for x
    x = 9,756,619,273.83/112,914.74
  6. Step 6: Final answer
    x = 86,406.96

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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.