Home / 137,569.20-189,924.15-105,244.26

Finding the Fourth Proportional to 137,569.20, 189,924.15 and 105,244.26

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Solution

The fourth proportional to 137,569.20, 189,924.15 and 105,244.26 is: 145,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,569.20 : 189,924.15 = 105,244.26 : x
  2. Step 2: Convert to fraction form
    137,569.20/189,924.15 = 105,244.26/x
  3. Step 3: Cross multiply
    137,569.20x = 189,924.15 × 105,244.26
  4. Step 4: Simplify right side
    137,569.20x = 19,988,426,622.88
  5. Step 5: Solve for x
    x = 19,988,426,622.88/137,569.20
  6. Step 6: Final answer
    x = 145,297.25

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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.