Home / 162,669.71-243,580.16-130,906.28

Finding the Fourth Proportional to 162,669.71, 243,580.16 and 130,906.28

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Solution

The fourth proportional to 162,669.71, 243,580.16 and 130,906.28 is: 196,017.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,669.71 : 243,580.16 = 130,906.28 : x
  2. Step 2: Convert to fraction form
    162,669.71/243,580.16 = 130,906.28/x
  3. Step 3: Cross multiply
    162,669.71x = 243,580.16 × 130,906.28
  4. Step 4: Simplify right side
    162,669.71x = 31,886,170,754.97
  5. Step 5: Solve for x
    x = 31,886,170,754.97/162,669.71
  6. Step 6: Final answer
    x = 196,017.87

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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.