Home / 137,585.04-189,797.49-89,866.32

Finding the Fourth Proportional to 137,585.04, 189,797.49 and 89,866.32

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Solution

The fourth proportional to 137,585.04, 189,797.49 and 89,866.32 is: 123,969.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,585.04 : 189,797.49 = 89,866.32 : x
  2. Step 2: Convert to fraction form
    137,585.04/189,797.49 = 89,866.32/x
  3. Step 3: Cross multiply
    137,585.04x = 189,797.49 × 89,866.32
  4. Step 4: Simplify right side
    137,585.04x = 17,056,401,971.54
  5. Step 5: Solve for x
    x = 17,056,401,971.54/137,585.04
  6. Step 6: Final answer
    x = 123,969.89

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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.