Home / 212,192.57-292,827.71-115,397.34

Finding the Fourth Proportional to 212,192.57, 292,827.71 and 115,397.34

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Solution

The fourth proportional to 212,192.57, 292,827.71 and 115,397.34 is: 159,249.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,192.57 : 292,827.71 = 115,397.34 : x
  2. Step 2: Convert to fraction form
    212,192.57/292,827.71 = 115,397.34/x
  3. Step 3: Cross multiply
    212,192.57x = 292,827.71 × 115,397.34
  4. Step 4: Simplify right side
    212,192.57x = 33,791,538,748.17
  5. Step 5: Solve for x
    x = 33,791,538,748.17/212,192.57
  6. Step 6: Final answer
    x = 159,249.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.