Home / 212,154.43-292,774.16-116,667.31

Finding the Fourth Proportional to 212,154.43, 292,774.16 and 116,667.31

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Solution

The fourth proportional to 212,154.43, 292,774.16 and 116,667.31 is: 161,001.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,154.43 : 292,774.16 = 116,667.31 : x
  2. Step 2: Convert to fraction form
    212,154.43/292,774.16 = 116,667.31/x
  3. Step 3: Cross multiply
    212,154.43x = 292,774.16 × 116,667.31
  4. Step 4: Simplify right side
    212,154.43x = 34,157,173,101.37
  5. Step 5: Solve for x
    x = 34,157,173,101.37/212,154.43
  6. Step 6: Final answer
    x = 161,001.46

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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.