Home / 250,015.47-345,022.26-135,294.10

Finding the Fourth Proportional to 250,015.47, 345,022.26 and 135,294.10

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Solution

The fourth proportional to 250,015.47, 345,022.26 and 135,294.10 is: 186,706.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,015.47 : 345,022.26 = 135,294.10 : x
  2. Step 2: Convert to fraction form
    250,015.47/345,022.26 = 135,294.10/x
  3. Step 3: Cross multiply
    250,015.47x = 345,022.26 × 135,294.10
  4. Step 4: Simplify right side
    250,015.47x = 46,679,476,146.67
  5. Step 5: Solve for x
    x = 46,679,476,146.67/250,015.47
  6. Step 6: Final answer
    x = 186,706.35

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1.5x scale

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.