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Finding the Fourth Proportional to 144,773.70, 216,738.15 and 103,301.70

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Solution

The fourth proportional to 144,773.70, 216,738.15 and 103,301.70 is: 154,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,773.70 : 216,738.15 = 103,301.70 : x
  2. Step 2: Convert to fraction form
    144,773.70/216,738.15 = 103,301.70/x
  3. Step 3: Cross multiply
    144,773.70x = 216,738.15 × 103,301.70
  4. Step 4: Simplify right side
    144,773.70x = 22,389,419,349.86
  5. Step 5: Solve for x
    x = 22,389,419,349.86/144,773.70
  6. Step 6: Final answer
    x = 154,651.15

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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.