Home / 197,579.48-296,156.66-85,312.58

Finding the Fourth Proportional to 197,579.48, 296,156.66 and 85,312.58

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Solution

The fourth proportional to 197,579.48, 296,156.66 and 85,312.58 is: 127,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,579.48 : 296,156.66 = 85,312.58 : x
  2. Step 2: Convert to fraction form
    197,579.48/296,156.66 = 85,312.58/x
  3. Step 3: Cross multiply
    197,579.48x = 296,156.66 × 85,312.58
  4. Step 4: Simplify right side
    197,579.48x = 25,265,886,841.44
  5. Step 5: Solve for x
    x = 25,265,886,841.44/197,579.48
  6. Step 6: Final answer
    x = 127,877.08

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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.