Home / 134,965.21-202,427.07-45,009.50

Finding the Fourth Proportional to 134,965.21, 202,427.07 and 45,009.50

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Solution

The fourth proportional to 134,965.21, 202,427.07 and 45,009.50 is: 67,507.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,965.21 : 202,427.07 = 45,009.50 : x
  2. Step 2: Convert to fraction form
    134,965.21/202,427.07 = 45,009.50/x
  3. Step 3: Cross multiply
    134,965.21x = 202,427.07 × 45,009.50
  4. Step 4: Simplify right side
    134,965.21x = 9,111,140,982.12
  5. Step 5: Solve for x
    x = 9,111,140,982.12/134,965.21
  6. Step 6: Final answer
    x = 67,507.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.