Home / 109,224.40-163,836.60-39,110.80

Finding the Fourth Proportional to 109,224.40, 163,836.60 and 39,110.80

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Solution

The fourth proportional to 109,224.40, 163,836.60 and 39,110.80 is: 58,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,224.40 : 163,836.60 = 39,110.80 : x
  2. Step 2: Convert to fraction form
    109,224.40/163,836.60 = 39,110.80/x
  3. Step 3: Cross multiply
    109,224.40x = 163,836.60 × 39,110.80
  4. Step 4: Simplify right side
    109,224.40x = 6,407,780,495.28
  5. Step 5: Solve for x
    x = 6,407,780,495.28/109,224.40
  6. Step 6: Final answer
    x = 58,666.20

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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.