Home / 251,426.16-346,979.16-138,252.96

Finding the Fourth Proportional to 251,426.16, 346,979.16 and 138,252.96

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Solution

The fourth proportional to 251,426.16, 346,979.16 and 138,252.96 is: 190,795.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,426.16 : 346,979.16 = 138,252.96 : x
  2. Step 2: Convert to fraction form
    251,426.16/346,979.16 = 138,252.96/x
  3. Step 3: Cross multiply
    251,426.16x = 346,979.16 × 138,252.96
  4. Step 4: Simplify right side
    251,426.16x = 47,970,895,928.31
  5. Step 5: Solve for x
    x = 47,970,895,928.31/251,426.16
  6. Step 6: Final answer
    x = 190,795.17

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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.