Home / 160,656.14-221,702.06-89,035.56

Finding the Fourth Proportional to 160,656.14, 221,702.06 and 89,035.56

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Solution

The fourth proportional to 160,656.14, 221,702.06 and 89,035.56 is: 122,867.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,656.14 : 221,702.06 = 89,035.56 : x
  2. Step 2: Convert to fraction form
    160,656.14/221,702.06 = 89,035.56/x
  3. Step 3: Cross multiply
    160,656.14x = 221,702.06 × 89,035.56
  4. Step 4: Simplify right side
    160,656.14x = 19,739,367,065.25
  5. Step 5: Solve for x
    x = 19,739,367,065.25/160,656.14
  6. Step 6: Final answer
    x = 122,867.18

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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.