Home / 250,724.69-345,979.32-137,547.44

Finding the Fourth Proportional to 250,724.69, 345,979.32 and 137,547.44

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Solution

The fourth proportional to 250,724.69, 345,979.32 and 137,547.44 is: 189,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,724.69 : 345,979.32 = 137,547.44 : x
  2. Step 2: Convert to fraction form
    250,724.69/345,979.32 = 137,547.44/x
  3. Step 3: Cross multiply
    250,724.69x = 345,979.32 × 137,547.44
  4. Step 4: Simplify right side
    250,724.69x = 47,588,569,758.94
  5. Step 5: Solve for x
    x = 47,588,569,758.94/250,724.69
  6. Step 6: Final answer
    x = 189,804.08

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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.