Home / 108,276-162,411.27-29,388.18

Finding the Fourth Proportional to 108,276, 162,411.27 and 29,388.18

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Solution

The fourth proportional to 108,276, 162,411.27 and 29,388.18 is: 44,081.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,276 : 162,411.27 = 29,388.18 : x
  2. Step 2: Convert to fraction form
    108,276/162,411.27 = 29,388.18/x
  3. Step 3: Cross multiply
    108,276x = 162,411.27 × 29,388.18
  4. Step 4: Simplify right side
    108,276x = 4,772,971,636.79
  5. Step 5: Solve for x
    x = 4,772,971,636.79/108,276
  6. Step 6: Final answer
    x = 44,081.53

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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.