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Finding the Fourth Proportional to 173,491.48, 239,420.12 and 101,872.36

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Solution

The fourth proportional to 173,491.48, 239,420.12 and 101,872.36 is: 140,584.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,491.48 : 239,420.12 = 101,872.36 : x
  2. Step 2: Convert to fraction form
    173,491.48/239,420.12 = 101,872.36/x
  3. Step 3: Cross multiply
    173,491.48x = 239,420.12 × 101,872.36
  4. Step 4: Simplify right side
    173,491.48x = 24,390,292,655.88
  5. Step 5: Solve for x
    x = 24,390,292,655.88/173,491.48
  6. Step 6: Final answer
    x = 140,584.96

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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.