Home / 162,490.32-243,295.80-106,190.16

Finding the Fourth Proportional to 162,490.32, 243,295.80 and 106,190.16

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Solution

The fourth proportional to 162,490.32, 243,295.80 and 106,190.16 is: 158,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,490.32 : 243,295.80 = 106,190.16 : x
  2. Step 2: Convert to fraction form
    162,490.32/243,295.80 = 106,190.16/x
  3. Step 3: Cross multiply
    162,490.32x = 243,295.80 × 106,190.16
  4. Step 4: Simplify right side
    162,490.32x = 25,835,619,929.33
  5. Step 5: Solve for x
    x = 25,835,619,929.33/162,490.32
  6. Step 6: Final answer
    x = 158,997.90

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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.