Home / 210,946.68-290,997.36-124,856.64

Finding the Fourth Proportional to 210,946.68, 290,997.36 and 124,856.64

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Solution

The fourth proportional to 210,946.68, 290,997.36 and 124,856.64 is: 172,237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,946.68 : 290,997.36 = 124,856.64 : x
  2. Step 2: Convert to fraction form
    210,946.68/290,997.36 = 124,856.64/x
  3. Step 3: Cross multiply
    210,946.68x = 290,997.36 × 124,856.64
  4. Step 4: Simplify right side
    210,946.68x = 36,332,952,618.47
  5. Step 5: Solve for x
    x = 36,332,952,618.47/210,946.68
  6. Step 6: Final answer
    x = 172,237.61

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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.