Home / 152,763.96-229,145.54-86,173.86

Finding the Fourth Proportional to 152,763.96, 229,145.54 and 86,173.86

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Solution

The fourth proportional to 152,763.96, 229,145.54 and 86,173.86 is: 129,260.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,763.96 : 229,145.54 = 86,173.86 : x
  2. Step 2: Convert to fraction form
    152,763.96/229,145.54 = 86,173.86/x
  3. Step 3: Cross multiply
    152,763.96x = 229,145.54 × 86,173.86
  4. Step 4: Simplify right side
    152,763.96x = 19,746,355,252.72
  5. Step 5: Solve for x
    x = 19,746,355,252.72/152,763.96
  6. Step 6: Final answer
    x = 129,260.56

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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.