Home / 137,569.70-189,924.84-105,244.76

Finding the Fourth Proportional to 137,569.70, 189,924.84 and 105,244.76

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Solution

The fourth proportional to 137,569.70, 189,924.84 and 105,244.76 is: 145,297.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,569.70 : 189,924.84 = 105,244.76 : x
  2. Step 2: Convert to fraction form
    137,569.70/189,924.84 = 105,244.76/x
  3. Step 3: Cross multiply
    137,569.70x = 189,924.84 × 105,244.76
  4. Step 4: Simplify right side
    137,569.70x = 19,988,594,203.84
  5. Step 5: Solve for x
    x = 19,988,594,203.84/137,569.70
  6. Step 6: Final answer
    x = 145,297.94

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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.