Home / 109,724.05-164,586.08-103,600.45

Finding the Fourth Proportional to 109,724.05, 164,586.08 and 103,600.45

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Solution

The fourth proportional to 109,724.05, 164,586.08 and 103,600.45 is: 155,400.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,724.05 : 164,586.08 = 103,600.45 : x
  2. Step 2: Convert to fraction form
    109,724.05/164,586.08 = 103,600.45/x
  3. Step 3: Cross multiply
    109,724.05x = 164,586.08 × 103,600.45
  4. Step 4: Simplify right side
    109,724.05x = 17,051,191,433.73
  5. Step 5: Solve for x
    x = 17,051,191,433.73/109,724.05
  6. Step 6: Final answer
    x = 155,400.68

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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.