Home / 208,913.41-288,014.87-143,500.24

Finding the Fourth Proportional to 208,913.41, 288,014.87 and 143,500.24

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Solution

The fourth proportional to 208,913.41, 288,014.87 and 143,500.24 is: 197,834.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,913.41 : 288,014.87 = 143,500.24 : x
  2. Step 2: Convert to fraction form
    208,913.41/288,014.87 = 143,500.24/x
  3. Step 3: Cross multiply
    208,913.41x = 288,014.87 × 143,500.24
  4. Step 4: Simplify right side
    208,913.41x = 41,330,202,968.57
  5. Step 5: Solve for x
    x = 41,330,202,968.57/208,913.41
  6. Step 6: Final answer
    x = 197,834.13

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1.5x scale

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.