Home / 131,599.88-181,625.14-74,998.28

Finding the Fourth Proportional to 131,599.88, 181,625.14 and 74,998.28

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Solution

The fourth proportional to 131,599.88, 181,625.14 and 74,998.28 is: 103,507.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,599.88 : 181,625.14 = 74,998.28 : x
  2. Step 2: Convert to fraction form
    131,599.88/181,625.14 = 74,998.28/x
  3. Step 3: Cross multiply
    131,599.88x = 181,625.14 × 74,998.28
  4. Step 4: Simplify right side
    131,599.88x = 13,621,573,104.76
  5. Step 5: Solve for x
    x = 13,621,573,104.76/131,599.88
  6. Step 6: Final answer
    x = 103,507.49

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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.