Home / 250,721.88-346,005.20-137,547.96

Finding the Fourth Proportional to 250,721.88, 346,005.20 and 137,547.96

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Solution

The fourth proportional to 250,721.88, 346,005.20 and 137,547.96 is: 189,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,721.88 : 346,005.20 = 137,547.96 : x
  2. Step 2: Convert to fraction form
    250,721.88/346,005.20 = 137,547.96/x
  3. Step 3: Cross multiply
    250,721.88x = 346,005.20 × 137,547.96
  4. Step 4: Simplify right side
    250,721.88x = 47,592,309,409.39
  5. Step 5: Solve for x
    x = 47,592,309,409.39/250,721.88
  6. Step 6: Final answer
    x = 189,821.13

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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.