Home / 250,101.03-345,172.29-142,646.43

Finding the Fourth Proportional to 250,101.03, 345,172.29 and 142,646.43

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Solution

The fourth proportional to 250,101.03, 345,172.29 and 142,646.43 is: 196,870.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,101.03 : 345,172.29 = 142,646.43 : x
  2. Step 2: Convert to fraction form
    250,101.03/345,172.29 = 142,646.43/x
  3. Step 3: Cross multiply
    250,101.03x = 345,172.29 × 142,646.43
  4. Step 4: Simplify right side
    250,101.03x = 49,237,594,903.42
  5. Step 5: Solve for x
    x = 49,237,594,903.42/250,101.03
  6. Step 6: Final answer
    x = 196,870.82

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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.