Home / 250,136.18-345,191.73-136,969.46

Finding the Fourth Proportional to 250,136.18, 345,191.73 and 136,969.46

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Solution

The fourth proportional to 250,136.18, 345,191.73 and 136,969.46 is: 189,019.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,136.18 : 345,191.73 = 136,969.46 : x
  2. Step 2: Convert to fraction form
    250,136.18/345,191.73 = 136,969.46/x
  3. Step 3: Cross multiply
    250,136.18x = 345,191.73 × 136,969.46
  4. Step 4: Simplify right side
    250,136.18x = 47,280,724,854.57
  5. Step 5: Solve for x
    x = 47,280,724,854.57/250,136.18
  6. Step 6: Final answer
    x = 189,019.94

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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.