Home / 108,595.44-149,934.72-67,821.60

Finding the Fourth Proportional to 108,595.44, 149,934.72 and 67,821.60

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Solution

The fourth proportional to 108,595.44, 149,934.72 and 67,821.60 is: 93,639.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,595.44 : 149,934.72 = 67,821.60 : x
  2. Step 2: Convert to fraction form
    108,595.44/149,934.72 = 67,821.60/x
  3. Step 3: Cross multiply
    108,595.44x = 149,934.72 × 67,821.60
  4. Step 4: Simplify right side
    108,595.44x = 10,168,812,605.95
  5. Step 5: Solve for x
    x = 10,168,812,605.95/108,595.44
  6. Step 6: Final answer
    x = 93,639.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.