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Finding the Fourth Proportional to 101,070.60, 151,605.90 and 99,102.30

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Solution

The fourth proportional to 101,070.60, 151,605.90 and 99,102.30 is: 148,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,070.60 : 151,605.90 = 99,102.30 : x
  2. Step 2: Convert to fraction form
    101,070.60/151,605.90 = 99,102.30/x
  3. Step 3: Cross multiply
    101,070.60x = 151,605.90 × 99,102.30
  4. Step 4: Simplify right side
    101,070.60x = 15,024,493,383.57
  5. Step 5: Solve for x
    x = 15,024,493,383.57/101,070.60
  6. Step 6: Final answer
    x = 148,653.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.