Home / 162,543.66-243,738.92-105,525.32

Finding the Fourth Proportional to 162,543.66, 243,738.92 and 105,525.32

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Solution

The fourth proportional to 162,543.66, 243,738.92 and 105,525.32 is: 158,238.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,543.66 : 243,738.92 = 105,525.32 : x
  2. Step 2: Convert to fraction form
    162,543.66/243,738.92 = 105,525.32/x
  3. Step 3: Cross multiply
    162,543.66x = 243,738.92 × 105,525.32
  4. Step 4: Simplify right side
    162,543.66x = 25,720,627,529.45
  5. Step 5: Solve for x
    x = 25,720,627,529.45/162,543.66
  6. Step 6: Final answer
    x = 158,238.27

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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.