Home / 219,701.75-303,189.62-127,875.47

Finding the Fourth Proportional to 219,701.75, 303,189.62 and 127,875.47

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Solution

The fourth proportional to 219,701.75, 303,189.62 and 127,875.47 is: 176,468.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,701.75 : 303,189.62 = 127,875.47 : x
  2. Step 2: Convert to fraction form
    219,701.75/303,189.62 = 127,875.47/x
  3. Step 3: Cross multiply
    219,701.75x = 303,189.62 × 127,875.47
  4. Step 4: Simplify right side
    219,701.75x = 38,770,513,001.30
  5. Step 5: Solve for x
    x = 38,770,513,001.30/219,701.75
  6. Step 6: Final answer
    x = 176,468.84

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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.