Home / 144,202.64-199,011.23-79,677.50

Finding the Fourth Proportional to 144,202.64, 199,011.23 and 79,677.50

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Solution

The fourth proportional to 144,202.64, 199,011.23 and 79,677.50 is: 109,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,202.64 : 199,011.23 = 79,677.50 : x
  2. Step 2: Convert to fraction form
    144,202.64/199,011.23 = 79,677.50/x
  3. Step 3: Cross multiply
    144,202.64x = 199,011.23 × 79,677.50
  4. Step 4: Simplify right side
    144,202.64x = 15,856,717,278.33
  5. Step 5: Solve for x
    x = 15,856,717,278.33/144,202.64
  6. Step 6: Final answer
    x = 109,961.35

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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.