Home / 109,724.70-164,587.05-39,606.30

Finding the Fourth Proportional to 109,724.70, 164,587.05 and 39,606.30

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Solution

The fourth proportional to 109,724.70, 164,587.05 and 39,606.30 is: 59,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,724.70 : 164,587.05 = 39,606.30 : x
  2. Step 2: Convert to fraction form
    109,724.70/164,587.05 = 39,606.30/x
  3. Step 3: Cross multiply
    109,724.70x = 164,587.05 × 39,606.30
  4. Step 4: Simplify right side
    109,724.70x = 6,518,684,078.42
  5. Step 5: Solve for x
    x = 6,518,684,078.42/109,724.70
  6. Step 6: Final answer
    x = 59,409.45

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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.