Home / 210,727.52-290,798.32-124,690.96

Finding the Fourth Proportional to 210,727.52, 290,798.32 and 124,690.96

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Solution

The fourth proportional to 210,727.52, 290,798.32 and 124,690.96 is: 172,070.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,727.52 : 290,798.32 = 124,690.96 : x
  2. Step 2: Convert to fraction form
    210,727.52/290,798.32 = 124,690.96/x
  3. Step 3: Cross multiply
    210,727.52x = 290,798.32 × 124,690.96
  4. Step 4: Simplify right side
    210,727.52x = 36,259,921,687.19
  5. Step 5: Solve for x
    x = 36,259,921,687.19/210,727.52
  6. Step 6: Final answer
    x = 172,070.18

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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.