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Finding the Fourth Proportional to 162,117.92, 243,262.48 and 115,037.22

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Solution

The fourth proportional to 162,117.92, 243,262.48 and 115,037.22 is: 172,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,117.92 : 243,262.48 = 115,037.22 : x
  2. Step 2: Convert to fraction form
    162,117.92/243,262.48 = 115,037.22/x
  3. Step 3: Cross multiply
    162,117.92x = 243,262.48 × 115,037.22
  4. Step 4: Simplify right side
    162,117.92x = 27,984,239,429.51
  5. Step 5: Solve for x
    x = 27,984,239,429.51/162,117.92
  6. Step 6: Final answer
    x = 172,616.57

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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.