Home / 131,604.03-181,608.75-75,004.47

Finding the Fourth Proportional to 131,604.03, 181,608.75 and 75,004.47

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Solution

The fourth proportional to 131,604.03, 181,608.75 and 75,004.47 is: 103,503.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,604.03 : 181,608.75 = 75,004.47 : x
  2. Step 2: Convert to fraction form
    131,604.03/181,608.75 = 75,004.47/x
  3. Step 3: Cross multiply
    131,604.03x = 181,608.75 × 75,004.47
  4. Step 4: Simplify right side
    131,604.03x = 13,621,468,041.11
  5. Step 5: Solve for x
    x = 13,621,468,041.11/131,604.03
  6. Step 6: Final answer
    x = 103,503.43

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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.