Home / 212,037.48-292,654.28-125,979.90

Finding the Fourth Proportional to 212,037.48, 292,654.28 and 125,979.90

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Solution

The fourth proportional to 212,037.48, 292,654.28 and 125,979.90 is: 173,877.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,037.48 : 292,654.28 = 125,979.90 : x
  2. Step 2: Convert to fraction form
    212,037.48/292,654.28 = 125,979.90/x
  3. Step 3: Cross multiply
    212,037.48x = 292,654.28 × 125,979.90
  4. Step 4: Simplify right side
    212,037.48x = 36,868,556,299.07
  5. Step 5: Solve for x
    x = 36,868,556,299.07/212,037.48
  6. Step 6: Final answer
    x = 173,877.54

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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.