Home / 99,529.58-137,350.94-54,207.64

Finding the Fourth Proportional to 99,529.58, 137,350.94 and 54,207.64

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Solution

The fourth proportional to 99,529.58, 137,350.94 and 54,207.64 is: 74,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,529.58 : 137,350.94 = 54,207.64 : x
  2. Step 2: Convert to fraction form
    99,529.58/137,350.94 = 54,207.64/x
  3. Step 3: Cross multiply
    99,529.58x = 137,350.94 × 54,207.64
  4. Step 4: Simplify right side
    99,529.58x = 7,445,470,309.18
  5. Step 5: Solve for x
    x = 7,445,470,309.18/99,529.58
  6. Step 6: Final answer
    x = 74,806.61

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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.