Home / 162,129.03-243,562.60-117,288.70

Finding the Fourth Proportional to 162,129.03, 243,562.60 and 117,288.70

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Solution

The fourth proportional to 162,129.03, 243,562.60 and 117,288.70 is: 176,200.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,129.03 : 243,562.60 = 117,288.70 : x
  2. Step 2: Convert to fraction form
    162,129.03/243,562.60 = 117,288.70/x
  3. Step 3: Cross multiply
    162,129.03x = 243,562.60 × 117,288.70
  4. Step 4: Simplify right side
    162,129.03x = 28,567,140,722.62
  5. Step 5: Solve for x
    x = 28,567,140,722.62/162,129.03
  6. Step 6: Final answer
    x = 176,200.03

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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.