Home / 101,305.08-151,998.12-42,181.56

Finding the Fourth Proportional to 101,305.08, 151,998.12 and 42,181.56

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Solution

The fourth proportional to 101,305.08, 151,998.12 and 42,181.56 is: 63,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,305.08 : 151,998.12 = 42,181.56 : x
  2. Step 2: Convert to fraction form
    101,305.08/151,998.12 = 42,181.56/x
  3. Step 3: Cross multiply
    101,305.08x = 151,998.12 × 42,181.56
  4. Step 4: Simplify right side
    101,305.08x = 6,411,517,818.67
  5. Step 5: Solve for x
    x = 6,411,517,818.67/101,305.08
  6. Step 6: Final answer
    x = 63,289.20

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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.