Home / 162,887.20-244,322.70-84,009.40

Finding the Fourth Proportional to 162,887.20, 244,322.70 and 84,009.40

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Solution

The fourth proportional to 162,887.20, 244,322.70 and 84,009.40 is: 126,009.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,887.20 : 244,322.70 = 84,009.40 : x
  2. Step 2: Convert to fraction form
    162,887.20/244,322.70 = 84,009.40/x
  3. Step 3: Cross multiply
    162,887.20x = 244,322.70 × 84,009.40
  4. Step 4: Simplify right side
    162,887.20x = 20,525,403,433.38
  5. Step 5: Solve for x
    x = 20,525,403,433.38/162,887.20
  6. Step 6: Final answer
    x = 126,009.92

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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.