Home / 175,689.22-263,365.47-74,347.87

Finding the Fourth Proportional to 175,689.22, 263,365.47 and 74,347.87

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Solution

The fourth proportional to 175,689.22, 263,365.47 and 74,347.87 is: 111,450.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,689.22 : 263,365.47 = 74,347.87 : x
  2. Step 2: Convert to fraction form
    175,689.22/263,365.47 = 74,347.87/x
  3. Step 3: Cross multiply
    175,689.22x = 263,365.47 × 74,347.87
  4. Step 4: Simplify right side
    175,689.22x = 19,580,660,409.22
  5. Step 5: Solve for x
    x = 19,580,660,409.22/175,689.22
  6. Step 6: Final answer
    x = 111,450.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.