Home / 250,148.95-345,205.68-135,427.61

Finding the Fourth Proportional to 250,148.95, 345,205.68 and 135,427.61

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Solution

The fourth proportional to 250,148.95, 345,205.68 and 135,427.61 is: 186,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,148.95 : 345,205.68 = 135,427.61 : x
  2. Step 2: Convert to fraction form
    250,148.95/345,205.68 = 135,427.61/x
  3. Step 3: Cross multiply
    250,148.95x = 345,205.68 × 135,427.61
  4. Step 4: Simplify right side
    250,148.95x = 46,750,380,239.51
  5. Step 5: Solve for x
    x = 46,750,380,239.51/250,148.95
  6. Step 6: Final answer
    x = 186,890.17

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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.