Home / 164,936.12-247,231.04-70,144.25

Finding the Fourth Proportional to 164,936.12, 247,231.04 and 70,144.25

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Solution

The fourth proportional to 164,936.12, 247,231.04 and 70,144.25 is: 105,142.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,936.12 : 247,231.04 = 70,144.25 : x
  2. Step 2: Convert to fraction form
    164,936.12/247,231.04 = 70,144.25/x
  3. Step 3: Cross multiply
    164,936.12x = 247,231.04 × 70,144.25
  4. Step 4: Simplify right side
    164,936.12x = 17,341,834,290.64
  5. Step 5: Solve for x
    x = 17,341,834,290.64/164,936.12
  6. Step 6: Final answer
    x = 105,142.74

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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.