Home / 217,533.08-300,195.60-126,951.32

Finding the Fourth Proportional to 217,533.08, 300,195.60 and 126,951.32

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Solution

The fourth proportional to 217,533.08, 300,195.60 and 126,951.32 is: 175,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,533.08 : 300,195.60 = 126,951.32 : x
  2. Step 2: Convert to fraction form
    217,533.08/300,195.60 = 126,951.32/x
  3. Step 3: Cross multiply
    217,533.08x = 300,195.60 × 126,951.32
  4. Step 4: Simplify right side
    217,533.08x = 38,110,227,678.19
  5. Step 5: Solve for x
    x = 38,110,227,678.19/217,533.08
  6. Step 6: Final answer
    x = 175,192.79

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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.