Home / 135,756.48-187,344.96-75,327.36

Finding the Fourth Proportional to 135,756.48, 187,344.96 and 75,327.36

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Solution

The fourth proportional to 135,756.48, 187,344.96 and 75,327.36 is: 103,952.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,756.48 : 187,344.96 = 75,327.36 : x
  2. Step 2: Convert to fraction form
    135,756.48/187,344.96 = 75,327.36/x
  3. Step 3: Cross multiply
    135,756.48x = 187,344.96 × 75,327.36
  4. Step 4: Simplify right side
    135,756.48x = 14,112,201,246.11
  5. Step 5: Solve for x
    x = 14,112,201,246.11/135,756.48
  6. Step 6: Final answer
    x = 103,952.32

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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.