Home / 115,458.25-159,318.31-64,473.81

Finding the Fourth Proportional to 115,458.25, 159,318.31 and 64,473.81

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Solution

The fourth proportional to 115,458.25, 159,318.31 and 64,473.81 is: 88,966.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,458.25 : 159,318.31 = 64,473.81 : x
  2. Step 2: Convert to fraction form
    115,458.25/159,318.31 = 64,473.81/x
  3. Step 3: Cross multiply
    115,458.25x = 159,318.31 × 64,473.81
  4. Step 4: Simplify right side
    115,458.25x = 10,271,858,448.46
  5. Step 5: Solve for x
    x = 10,271,858,448.46/115,458.25
  6. Step 6: Final answer
    x = 88,966.00

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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.