Home / 160,931.02-222,084.93-89,311.09

Finding the Fourth Proportional to 160,931.02, 222,084.93 and 89,311.09

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Solution

The fourth proportional to 160,931.02, 222,084.93 and 89,311.09 is: 123,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,931.02 : 222,084.93 = 89,311.09 : x
  2. Step 2: Convert to fraction form
    160,931.02/222,084.93 = 89,311.09/x
  3. Step 3: Cross multiply
    160,931.02x = 222,084.93 × 89,311.09
  4. Step 4: Simplify right side
    160,931.02x = 19,834,647,170.87
  5. Step 5: Solve for x
    x = 19,834,647,170.87/160,931.02
  6. Step 6: Final answer
    x = 123,249.37

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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.