Home / 250,005.42-345,008.40-135,284.07

Finding the Fourth Proportional to 250,005.42, 345,008.40 and 135,284.07

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Solution

The fourth proportional to 250,005.42, 345,008.40 and 135,284.07 is: 186,692.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,005.42 : 345,008.40 = 135,284.07 : x
  2. Step 2: Convert to fraction form
    250,005.42/345,008.40 = 135,284.07/x
  3. Step 3: Cross multiply
    250,005.42x = 345,008.40 × 135,284.07
  4. Step 4: Simplify right side
    250,005.42x = 46,674,138,134.73
  5. Step 5: Solve for x
    x = 46,674,138,134.73/250,005.42
  6. Step 6: Final answer
    x = 186,692.51

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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.