Home / 250,140.68-345,197.94-136,973.96

Finding the Fourth Proportional to 250,140.68, 345,197.94 and 136,973.96

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Solution

The fourth proportional to 250,140.68, 345,197.94 and 136,973.96 is: 189,026.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,140.68 : 345,197.94 = 136,973.96 : x
  2. Step 2: Convert to fraction form
    250,140.68/345,197.94 = 136,973.96/x
  3. Step 3: Cross multiply
    250,140.68x = 345,197.94 × 136,973.96
  4. Step 4: Simplify right side
    250,140.68x = 47,283,128,825.64
  5. Step 5: Solve for x
    x = 47,283,128,825.64/250,140.68
  6. Step 6: Final answer
    x = 189,026.15

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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.