Home / 135,998.48-187,674.17-75,567.57

Finding the Fourth Proportional to 135,998.48, 187,674.17 and 75,567.57

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Solution

The fourth proportional to 135,998.48, 187,674.17 and 75,567.57 is: 104,281.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,998.48 : 187,674.17 = 75,567.57 : x
  2. Step 2: Convert to fraction form
    135,998.48/187,674.17 = 75,567.57/x
  3. Step 3: Cross multiply
    135,998.48x = 187,674.17 × 75,567.57
  4. Step 4: Simplify right side
    135,998.48x = 14,182,080,215.85
  5. Step 5: Solve for x
    x = 14,182,080,215.85/135,998.48
  6. Step 6: Final answer
    x = 104,281.17

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1.5x scale

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.