Home / 147,187.52-219,650.16-131,440.32

Finding the Fourth Proportional to 147,187.52, 219,650.16 and 131,440.32

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Solution

The fourth proportional to 147,187.52, 219,650.16 and 131,440.32 is: 196,150.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,187.52 : 219,650.16 = 131,440.32 : x
  2. Step 2: Convert to fraction form
    147,187.52/219,650.16 = 131,440.32/x
  3. Step 3: Cross multiply
    147,187.52x = 219,650.16 × 131,440.32
  4. Step 4: Simplify right side
    147,187.52x = 28,870,887,318.45
  5. Step 5: Solve for x
    x = 28,870,887,318.45/147,187.52
  6. Step 6: Final answer
    x = 196,150.38

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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.