Home / 145,694.19-201,054.95-81,163.34

Finding the Fourth Proportional to 145,694.19, 201,054.95 and 81,163.34

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Solution

The fourth proportional to 145,694.19, 201,054.95 and 81,163.34 is: 112,003.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,694.19 : 201,054.95 = 81,163.34 : x
  2. Step 2: Convert to fraction form
    145,694.19/201,054.95 = 81,163.34/x
  3. Step 3: Cross multiply
    145,694.19x = 201,054.95 × 81,163.34
  4. Step 4: Simplify right side
    145,694.19x = 16,318,291,241.55
  5. Step 5: Solve for x
    x = 16,318,291,241.55/145,694.19
  6. Step 6: Final answer
    x = 112,003.72

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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.