Home / 239,148.48-330,027.12-131,722.32

Finding the Fourth Proportional to 239,148.48, 330,027.12 and 131,722.32

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Solution

The fourth proportional to 239,148.48, 330,027.12 and 131,722.32 is: 181,778.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,148.48 : 330,027.12 = 131,722.32 : x
  2. Step 2: Convert to fraction form
    239,148.48/330,027.12 = 131,722.32/x
  3. Step 3: Cross multiply
    239,148.48x = 330,027.12 × 131,722.32
  4. Step 4: Simplify right side
    239,148.48x = 43,471,937,909.32
  5. Step 5: Solve for x
    x = 43,471,937,909.32/239,148.48
  6. Step 6: Final answer
    x = 181,778.02

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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.