Home / 145,425.04-200,619.20-84,998.24

Finding the Fourth Proportional to 145,425.04, 200,619.20 and 84,998.24

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Solution

The fourth proportional to 145,425.04, 200,619.20 and 84,998.24 is: 117,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,425.04 : 200,619.20 = 84,998.24 : x
  2. Step 2: Convert to fraction form
    145,425.04/200,619.20 = 84,998.24/x
  3. Step 3: Cross multiply
    145,425.04x = 200,619.20 × 84,998.24
  4. Step 4: Simplify right side
    145,425.04x = 17,052,278,910.21
  5. Step 5: Solve for x
    x = 17,052,278,910.21/145,425.04
  6. Step 6: Final answer
    x = 117,258.20

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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.