Home / 250,005.73-345,008.82-135,284.37

Finding the Fourth Proportional to 250,005.73, 345,008.82 and 135,284.37

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Solution

The fourth proportional to 250,005.73, 345,008.82 and 135,284.37 is: 186,692.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,005.73 : 345,008.82 = 135,284.37 : x
  2. Step 2: Convert to fraction form
    250,005.73/345,008.82 = 135,284.37/x
  3. Step 3: Cross multiply
    250,005.73x = 345,008.82 × 135,284.37
  4. Step 4: Simplify right side
    250,005.73x = 46,674,300,281.04
  5. Step 5: Solve for x
    x = 46,674,300,281.04/250,005.73
  6. Step 6: Final answer
    x = 186,692.92

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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.