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Finding the Fourth Proportional to 162,699.02, 224,522.44 and 91,079.02

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Solution

The fourth proportional to 162,699.02, 224,522.44 and 91,079.02 is: 125,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,699.02 : 224,522.44 = 91,079.02 : x
  2. Step 2: Convert to fraction form
    162,699.02/224,522.44 = 91,079.02/x
  3. Step 3: Cross multiply
    162,699.02x = 224,522.44 × 91,079.02
  4. Step 4: Simplify right side
    162,699.02x = 20,449,283,803.21
  5. Step 5: Solve for x
    x = 20,449,283,803.21/162,699.02
  6. Step 6: Final answer
    x = 125,687.81

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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.