Home / 152,470.08-210,250.08-120,588.48

Finding the Fourth Proportional to 152,470.08, 210,250.08 and 120,588.48

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Solution

The fourth proportional to 152,470.08, 210,250.08 and 120,588.48 is: 166,286.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,470.08 : 210,250.08 = 120,588.48 : x
  2. Step 2: Convert to fraction form
    152,470.08/210,250.08 = 120,588.48/x
  3. Step 3: Cross multiply
    152,470.08x = 210,250.08 × 120,588.48
  4. Step 4: Simplify right side
    152,470.08x = 25,353,737,567.08
  5. Step 5: Solve for x
    x = 25,353,737,567.08/152,470.08
  6. Step 6: Final answer
    x = 166,286.64

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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.