Home / 109,972.46-164,903.33-53,728.29

Finding the Fourth Proportional to 109,972.46, 164,903.33 and 53,728.29

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Solution

The fourth proportional to 109,972.46, 164,903.33 and 53,728.29 is: 80,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,972.46 : 164,903.33 = 53,728.29 : x
  2. Step 2: Convert to fraction form
    109,972.46/164,903.33 = 53,728.29/x
  3. Step 3: Cross multiply
    109,972.46x = 164,903.33 × 53,728.29
  4. Step 4: Simplify right side
    109,972.46x = 8,859,974,070.53
  5. Step 5: Solve for x
    x = 8,859,974,070.53/109,972.46
  6. Step 6: Final answer
    x = 80,565.39

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1.5x scale

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.