Home / 136,448.79-204,695.07-57,574.63

Finding the Fourth Proportional to 136,448.79, 204,695.07 and 57,574.63

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Solution

The fourth proportional to 136,448.79, 204,695.07 and 57,574.63 is: 86,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,448.79 : 204,695.07 = 57,574.63 : x
  2. Step 2: Convert to fraction form
    136,448.79/204,695.07 = 57,574.63/x
  3. Step 3: Cross multiply
    136,448.79x = 204,695.07 × 57,574.63
  4. Step 4: Simplify right side
    136,448.79x = 11,785,242,958.04
  5. Step 5: Solve for x
    x = 11,785,242,958.04/136,448.79
  6. Step 6: Final answer
    x = 86,371.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.