Home / 170,271.63-255,406.97-76,667.79

Finding the Fourth Proportional to 170,271.63, 255,406.97 and 76,667.79

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Solution

The fourth proportional to 170,271.63, 255,406.97 and 76,667.79 is: 115,001.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,271.63 : 255,406.97 = 76,667.79 : x
  2. Step 2: Convert to fraction form
    170,271.63/255,406.97 = 76,667.79/x
  3. Step 3: Cross multiply
    170,271.63x = 255,406.97 × 76,667.79
  4. Step 4: Simplify right side
    170,271.63x = 19,581,487,557.16
  5. Step 5: Solve for x
    x = 19,581,487,557.16/170,271.63
  6. Step 6: Final answer
    x = 115,001.47

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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.