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Finding the Fourth Proportional to 101,342.70, 151,271.90 and 89,372.22

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Solution

The fourth proportional to 101,342.70, 151,271.90 and 89,372.22 is: 133,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,342.70 : 151,271.90 = 89,372.22 : x
  2. Step 2: Convert to fraction form
    101,342.70/151,271.90 = 89,372.22/x
  3. Step 3: Cross multiply
    101,342.70x = 151,271.90 × 89,372.22
  4. Step 4: Simplify right side
    101,342.70x = 13,519,505,526.62
  5. Step 5: Solve for x
    x = 13,519,505,526.62/101,342.70
  6. Step 6: Final answer
    x = 133,403.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.