Home / 135,539.24-187,048.25-75,104.23

Finding the Fourth Proportional to 135,539.24, 187,048.25 and 75,104.23

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Solution

The fourth proportional to 135,539.24, 187,048.25 and 75,104.23 is: 103,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,539.24 : 187,048.25 = 75,104.23 : x
  2. Step 2: Convert to fraction form
    135,539.24/187,048.25 = 75,104.23/x
  3. Step 3: Cross multiply
    135,539.24x = 187,048.25 × 75,104.23
  4. Step 4: Simplify right side
    135,539.24x = 14,048,113,478.34
  5. Step 5: Solve for x
    x = 14,048,113,478.34/135,539.24
  6. Step 6: Final answer
    x = 103,646.10

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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.