Home / 135,938.31-187,594.77-75,514.58

Finding the Fourth Proportional to 135,938.31, 187,594.77 and 75,514.58

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Solution

The fourth proportional to 135,938.31, 187,594.77 and 75,514.58 is: 104,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,938.31 : 187,594.77 = 75,514.58 : x
  2. Step 2: Convert to fraction form
    135,938.31/187,594.77 = 75,514.58/x
  3. Step 3: Cross multiply
    135,938.31x = 187,594.77 × 75,514.58
  4. Step 4: Simplify right side
    135,938.31x = 14,166,139,890.66
  5. Step 5: Solve for x
    x = 14,166,139,890.66/135,938.31
  6. Step 6: Final answer
    x = 104,210.06

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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.