Home / 109,330.85-164,019.28-61,968.63

Finding the Fourth Proportional to 109,330.85, 164,019.28 and 61,968.63

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Solution

The fourth proportional to 109,330.85, 164,019.28 and 61,968.63 is: 92,965.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,330.85 : 164,019.28 = 61,968.63 : x
  2. Step 2: Convert to fraction form
    109,330.85/164,019.28 = 61,968.63/x
  3. Step 3: Cross multiply
    109,330.85x = 164,019.28 × 61,968.63
  4. Step 4: Simplify right side
    109,330.85x = 10,164,049,728.92
  5. Step 5: Solve for x
    x = 10,164,049,728.92/109,330.85
  6. Step 6: Final answer
    x = 92,965.98

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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.