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Finding the Fourth Proportional to 144,861.60, 199,898.95 and 80,334.17

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Solution

The fourth proportional to 144,861.60, 199,898.95 and 80,334.17 is: 110,855.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,861.60 : 199,898.95 = 80,334.17 : x
  2. Step 2: Convert to fraction form
    144,861.60/199,898.95 = 80,334.17/x
  3. Step 3: Cross multiply
    144,861.60x = 199,898.95 × 80,334.17
  4. Step 4: Simplify right side
    144,861.60x = 16,058,716,232.12
  5. Step 5: Solve for x
    x = 16,058,716,232.12/144,861.60
  6. Step 6: Final answer
    x = 110,855.58

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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.