Home / 250,239.25-345,330.21-137,066.05

Finding the Fourth Proportional to 250,239.25, 345,330.21 and 137,066.05

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Solution

The fourth proportional to 250,239.25, 345,330.21 and 137,066.05 is: 189,151.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,239.25 : 345,330.21 = 137,066.05 : x
  2. Step 2: Convert to fraction form
    250,239.25/345,330.21 = 137,066.05/x
  3. Step 3: Cross multiply
    250,239.25x = 345,330.21 × 137,066.05
  4. Step 4: Simplify right side
    250,239.25x = 47,333,047,830.37
  5. Step 5: Solve for x
    x = 47,333,047,830.37/250,239.25
  6. Step 6: Final answer
    x = 189,151.17

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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.