Home / 205,643.80-283,935.54-160,372.36

Finding the Fourth Proportional to 205,643.80, 283,935.54 and 160,372.36

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Solution

The fourth proportional to 205,643.80, 283,935.54 and 160,372.36 is: 221,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,643.80 : 283,935.54 = 160,372.36 : x
  2. Step 2: Convert to fraction form
    205,643.80/283,935.54 = 160,372.36/x
  3. Step 3: Cross multiply
    205,643.80x = 283,935.54 × 160,372.36
  4. Step 4: Simplify right side
    205,643.80x = 45,535,412,637.67
  5. Step 5: Solve for x
    x = 45,535,412,637.67/205,643.80
  6. Step 6: Final answer
    x = 221,428.57

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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.