Home / 146,120.24-201,643.94-81,590.47

Finding the Fourth Proportional to 146,120.24, 201,643.94 and 81,590.47

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Solution

The fourth proportional to 146,120.24, 201,643.94 and 81,590.47 is: 112,593.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,120.24 : 201,643.94 = 81,590.47 : x
  2. Step 2: Convert to fraction form
    146,120.24/201,643.94 = 81,590.47/x
  3. Step 3: Cross multiply
    146,120.24x = 201,643.94 × 81,590.47
  4. Step 4: Simplify right side
    146,120.24x = 16,452,223,837.25
  5. Step 5: Solve for x
    x = 16,452,223,837.25/146,120.24
  6. Step 6: Final answer
    x = 112,593.74

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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.