Home / 250,281.80-345,386.12-135,557.58

Finding the Fourth Proportional to 250,281.80, 345,386.12 and 135,557.58

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Solution

The fourth proportional to 250,281.80, 345,386.12 and 135,557.58 is: 187,067.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,281.80 : 345,386.12 = 135,557.58 : x
  2. Step 2: Convert to fraction form
    250,281.80/345,386.12 = 135,557.58/x
  3. Step 3: Cross multiply
    250,281.80x = 345,386.12 × 135,557.58
  4. Step 4: Simplify right side
    250,281.80x = 46,819,705,915.00
  5. Step 5: Solve for x
    x = 46,819,705,915.00/250,281.80
  6. Step 6: Final answer
    x = 187,067.96

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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.