Home / 162,161.16-242,804.34-105,861.84

Finding the Fourth Proportional to 162,161.16, 242,804.34 and 105,861.84

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Solution

The fourth proportional to 162,161.16, 242,804.34 and 105,861.84 is: 158,507.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,161.16 : 242,804.34 = 105,861.84 : x
  2. Step 2: Convert to fraction form
    162,161.16/242,804.34 = 105,861.84/x
  3. Step 3: Cross multiply
    162,161.16x = 242,804.34 × 105,861.84
  4. Step 4: Simplify right side
    162,161.16x = 25,703,714,192.39
  5. Step 5: Solve for x
    x = 25,703,714,192.39/162,161.16
  6. Step 6: Final answer
    x = 158,507.22

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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.