Home / 178,273.12-245,997.64-101,785

Finding the Fourth Proportional to 178,273.12, 245,997.64 and 101,785

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Solution

The fourth proportional to 178,273.12, 245,997.64 and 101,785 is: 140,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,273.12 : 245,997.64 = 101,785 : x
  2. Step 2: Convert to fraction form
    178,273.12/245,997.64 = 101,785/x
  3. Step 3: Cross multiply
    178,273.12x = 245,997.64 × 101,785
  4. Step 4: Simplify right side
    178,273.12x = 25,038,869,787.40
  5. Step 5: Solve for x
    x = 25,038,869,787.40/178,273.12
  6. Step 6: Final answer
    x = 140,452.30

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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.