Home / 162,263.40-243,395.10-156,042.60

Finding the Fourth Proportional to 162,263.40, 243,395.10 and 156,042.60

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Solution

The fourth proportional to 162,263.40, 243,395.10 and 156,042.60 is: 234,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,263.40 : 243,395.10 = 156,042.60 : x
  2. Step 2: Convert to fraction form
    162,263.40/243,395.10 = 156,042.60/x
  3. Step 3: Cross multiply
    162,263.40x = 243,395.10 × 156,042.60
  4. Step 4: Simplify right side
    162,263.40x = 37,980,004,231.26
  5. Step 5: Solve for x
    x = 37,980,004,231.26/162,263.40
  6. Step 6: Final answer
    x = 234,063.90

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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.