Home / 250,976.48-346,348.08-137,806.40

Finding the Fourth Proportional to 250,976.48, 346,348.08 and 137,806.40

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Solution

The fourth proportional to 250,976.48, 346,348.08 and 137,806.40 is: 190,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,976.48 : 346,348.08 = 137,806.40 : x
  2. Step 2: Convert to fraction form
    250,976.48/346,348.08 = 137,806.40/x
  3. Step 3: Cross multiply
    250,976.48x = 346,348.08 × 137,806.40
  4. Step 4: Simplify right side
    250,976.48x = 47,728,982,051.71
  5. Step 5: Solve for x
    x = 47,728,982,051.71/250,976.48
  6. Step 6: Final answer
    x = 190,173.13

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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.