Home / 109,354.20-163,901.70-56,736.60

Finding the Fourth Proportional to 109,354.20, 163,901.70 and 56,736.60

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Solution

The fourth proportional to 109,354.20, 163,901.70 and 56,736.60 is: 85,037.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,354.20 : 163,901.70 = 56,736.60 : x
  2. Step 2: Convert to fraction form
    109,354.20/163,901.70 = 56,736.60/x
  3. Step 3: Cross multiply
    109,354.20x = 163,901.70 × 56,736.60
  4. Step 4: Simplify right side
    109,354.20x = 9,299,225,192.22
  5. Step 5: Solve for x
    x = 9,299,225,192.22/109,354.20
  6. Step 6: Final answer
    x = 85,037.66

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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.