Home / 160,628.82-221,680.53-89,015.64

Finding the Fourth Proportional to 160,628.82, 221,680.53 and 89,015.64

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Solution

The fourth proportional to 160,628.82, 221,680.53 and 89,015.64 is: 122,848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,628.82 : 221,680.53 = 89,015.64 : x
  2. Step 2: Convert to fraction form
    160,628.82/221,680.53 = 89,015.64/x
  3. Step 3: Cross multiply
    160,628.82x = 221,680.53 × 89,015.64
  4. Step 4: Simplify right side
    160,628.82x = 19,733,034,253.49
  5. Step 5: Solve for x
    x = 19,733,034,253.49/160,628.82
  6. Step 6: Final answer
    x = 122,848.65

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1.5x scale

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.