Home / 613,370.75-919,985.65-164,126.93

Finding the Fourth Proportional to 613,370.75, 919,985.65 and 164,126.93

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Solution

The fourth proportional to 613,370.75, 919,985.65 and 164,126.93 is: 246,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,370.75 : 919,985.65 = 164,126.93 : x
  2. Step 2: Convert to fraction form
    613,370.75/919,985.65 = 164,126.93/x
  3. Step 3: Cross multiply
    613,370.75x = 919,985.65 × 164,126.93
  4. Step 4: Simplify right side
    613,370.75x = 150,994,415,368.31
  5. Step 5: Solve for x
    x = 150,994,415,368.31/613,370.75
  6. Step 6: Final answer
    x = 246,171.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.