Home / 171,941.04-237,267.36-100,309.50

Finding the Fourth Proportional to 171,941.04, 237,267.36 and 100,309.50

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Solution

The fourth proportional to 171,941.04, 237,267.36 and 100,309.50 is: 138,420.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,941.04 : 237,267.36 = 100,309.50 : x
  2. Step 2: Convert to fraction form
    171,941.04/237,267.36 = 100,309.50/x
  3. Step 3: Cross multiply
    171,941.04x = 237,267.36 × 100,309.50
  4. Step 4: Simplify right side
    171,941.04x = 23,800,170,247.92
  5. Step 5: Solve for x
    x = 23,800,170,247.92/171,941.04
  6. Step 6: Final answer
    x = 138,420.53

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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.