Home / 210,585.35-290,607.28-115,092.73

Finding the Fourth Proportional to 210,585.35, 290,607.28 and 115,092.73

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Solution

The fourth proportional to 210,585.35, 290,607.28 and 115,092.73 is: 158,827.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,585.35 : 290,607.28 = 115,092.73 : x
  2. Step 2: Convert to fraction form
    210,585.35/290,607.28 = 115,092.73/x
  3. Step 3: Cross multiply
    210,585.35x = 290,607.28 × 115,092.73
  4. Step 4: Simplify right side
    210,585.35x = 33,446,785,288.60
  5. Step 5: Solve for x
    x = 33,446,785,288.60/210,585.35
  6. Step 6: Final answer
    x = 158,827.69

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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.