Home / 156,723.12-235,101.08-51,550.28

Finding the Fourth Proportional to 156,723.12, 235,101.08 and 51,550.28

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Solution

The fourth proportional to 156,723.12, 235,101.08 and 51,550.28 is: 77,330.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,723.12 : 235,101.08 = 51,550.28 : x
  2. Step 2: Convert to fraction form
    156,723.12/235,101.08 = 51,550.28/x
  3. Step 3: Cross multiply
    156,723.12x = 235,101.08 × 51,550.28
  4. Step 4: Simplify right side
    156,723.12x = 12,119,526,502.30
  5. Step 5: Solve for x
    x = 12,119,526,502.30/156,723.12
  6. Step 6: Final answer
    x = 77,330.81

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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.