Home / 147,273.72-203,231.58-83,615.04

Finding the Fourth Proportional to 147,273.72, 203,231.58 and 83,615.04

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Solution

The fourth proportional to 147,273.72, 203,231.58 and 83,615.04 is: 115,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,273.72 : 203,231.58 = 83,615.04 : x
  2. Step 2: Convert to fraction form
    147,273.72/203,231.58 = 83,615.04/x
  3. Step 3: Cross multiply
    147,273.72x = 203,231.58 × 83,615.04
  4. Step 4: Simplify right side
    147,273.72x = 16,993,216,690.96
  5. Step 5: Solve for x
    x = 16,993,216,690.96/147,273.72
  6. Step 6: Final answer
    x = 115,385.26

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1.5x scale

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.