Home / 162,101.40-243,006.30-102,906.60

Finding the Fourth Proportional to 162,101.40, 243,006.30 and 102,906.60

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Solution

The fourth proportional to 162,101.40, 243,006.30 and 102,906.60 is: 154,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,101.40 : 243,006.30 = 102,906.60 : x
  2. Step 2: Convert to fraction form
    162,101.40/243,006.30 = 102,906.60/x
  3. Step 3: Cross multiply
    162,101.40x = 243,006.30 × 102,906.60
  4. Step 4: Simplify right side
    162,101.40x = 25,006,952,111.58
  5. Step 5: Solve for x
    x = 25,006,952,111.58/162,101.40
  6. Step 6: Final answer
    x = 154,267.34

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1.5x scale

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.