Home / 250,020.26-345,027.95-135,298.90

Finding the Fourth Proportional to 250,020.26, 345,027.95 and 135,298.90

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Solution

The fourth proportional to 250,020.26, 345,027.95 and 135,298.90 is: 186,712.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,020.26 : 345,027.95 = 135,298.90 : x
  2. Step 2: Convert to fraction form
    250,020.26/345,027.95 = 135,298.90/x
  3. Step 3: Cross multiply
    250,020.26x = 345,027.95 × 135,298.90
  4. Step 4: Simplify right side
    250,020.26x = 46,681,900,565.19
  5. Step 5: Solve for x
    x = 46,681,900,565.19/250,020.26
  6. Step 6: Final answer
    x = 186,712.47

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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.