Home / 172,667.07-238,291.53-104,690.55

Finding the Fourth Proportional to 172,667.07, 238,291.53 and 104,690.55

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Solution

The fourth proportional to 172,667.07, 238,291.53 and 104,690.55 is: 144,479.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,667.07 : 238,291.53 = 104,690.55 : x
  2. Step 2: Convert to fraction form
    172,667.07/238,291.53 = 104,690.55/x
  3. Step 3: Cross multiply
    172,667.07x = 238,291.53 × 104,690.55
  4. Step 4: Simplify right side
    172,667.07x = 24,946,871,336.04
  5. Step 5: Solve for x
    x = 24,946,871,336.04/172,667.07
  6. Step 6: Final answer
    x = 144,479.61

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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.