Home / 160,655.31-221,700.52-89,033.79

Finding the Fourth Proportional to 160,655.31, 221,700.52 and 89,033.79

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Solution

The fourth proportional to 160,655.31, 221,700.52 and 89,033.79 is: 122,864.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,655.31 : 221,700.52 = 89,033.79 : x
  2. Step 2: Convert to fraction form
    160,655.31/221,700.52 = 89,033.79/x
  3. Step 3: Cross multiply
    160,655.31x = 221,700.52 × 89,033.79
  4. Step 4: Simplify right side
    160,655.31x = 19,738,837,540.57
  5. Step 5: Solve for x
    x = 19,738,837,540.57/160,655.31
  6. Step 6: Final answer
    x = 122,864.52

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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.