Home / 219,558.08-303,039.84-124,120.16

Finding the Fourth Proportional to 219,558.08, 303,039.84 and 124,120.16

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Solution

The fourth proportional to 219,558.08, 303,039.84 and 124,120.16 is: 171,313.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,558.08 : 303,039.84 = 124,120.16 : x
  2. Step 2: Convert to fraction form
    219,558.08/303,039.84 = 124,120.16/x
  3. Step 3: Cross multiply
    219,558.08x = 303,039.84 × 124,120.16
  4. Step 4: Simplify right side
    219,558.08x = 37,613,353,427.17
  5. Step 5: Solve for x
    x = 37,613,353,427.17/219,558.08
  6. Step 6: Final answer
    x = 171,313.91

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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.