Home / 207,724.86-286,659.95-112,231.26

Finding the Fourth Proportional to 207,724.86, 286,659.95 and 112,231.26

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Solution

The fourth proportional to 207,724.86, 286,659.95 and 112,231.26 is: 154,878.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,724.86 : 286,659.95 = 112,231.26 : x
  2. Step 2: Convert to fraction form
    207,724.86/286,659.95 = 112,231.26/x
  3. Step 3: Cross multiply
    207,724.86x = 286,659.95 × 112,231.26
  4. Step 4: Simplify right side
    207,724.86x = 32,172,206,818.88
  5. Step 5: Solve for x
    x = 32,172,206,818.88/207,724.86
  6. Step 6: Final answer
    x = 154,878.94

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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.