Home / 162,608.19-243,659.42-112,785.63

Finding the Fourth Proportional to 162,608.19, 243,659.42 and 112,785.63

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Solution

The fourth proportional to 162,608.19, 243,659.42 and 112,785.63 is: 169,003.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,608.19 : 243,659.42 = 112,785.63 : x
  2. Step 2: Convert to fraction form
    162,608.19/243,659.42 = 112,785.63/x
  3. Step 3: Cross multiply
    162,608.19x = 243,659.42 × 112,785.63
  4. Step 4: Simplify right side
    162,608.19x = 27,481,279,971.84
  5. Step 5: Solve for x
    x = 27,481,279,971.84/162,608.19
  6. Step 6: Final answer
    x = 169,003.05

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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.