Home / 151,446.15-208,997.10-83,465.55

Finding the Fourth Proportional to 151,446.15, 208,997.10 and 83,465.55

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Solution

The fourth proportional to 151,446.15, 208,997.10 and 83,465.55 is: 115,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,446.15 : 208,997.10 = 83,465.55 : x
  2. Step 2: Convert to fraction form
    151,446.15/208,997.10 = 83,465.55/x
  3. Step 3: Cross multiply
    151,446.15x = 208,997.10 × 83,465.55
  4. Step 4: Simplify right side
    151,446.15x = 17,444,057,899.91
  5. Step 5: Solve for x
    x = 17,444,057,899.91/151,446.15
  6. Step 6: Final answer
    x = 115,183.24

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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.