Home / 160,803.42-221,922.34-89,206.50

Finding the Fourth Proportional to 160,803.42, 221,922.34 and 89,206.50

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Solution

The fourth proportional to 160,803.42, 221,922.34 and 89,206.50 is: 123,112.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,803.42 : 221,922.34 = 89,206.50 : x
  2. Step 2: Convert to fraction form
    160,803.42/221,922.34 = 89,206.50/x
  3. Step 3: Cross multiply
    160,803.42x = 221,922.34 × 89,206.50
  4. Step 4: Simplify right side
    160,803.42x = 19,796,915,000.19
  5. Step 5: Solve for x
    x = 19,796,915,000.19/160,803.42
  6. Step 6: Final answer
    x = 123,112.52

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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.