Home / 165,123.60-247,029.30-143,180.70

Finding the Fourth Proportional to 165,123.60, 247,029.30 and 143,180.70

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Solution

The fourth proportional to 165,123.60, 247,029.30 and 143,180.70 is: 214,202.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,123.60 : 247,029.30 = 143,180.70 : x
  2. Step 2: Convert to fraction form
    165,123.60/247,029.30 = 143,180.70/x
  3. Step 3: Cross multiply
    165,123.60x = 247,029.30 × 143,180.70
  4. Step 4: Simplify right side
    165,123.60x = 35,369,828,094.51
  5. Step 5: Solve for x
    x = 35,369,828,094.51/165,123.60
  6. Step 6: Final answer
    x = 214,202.14

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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.