Home / 152,873.62-229,076.64-64,078.72

Finding the Fourth Proportional to 152,873.62, 229,076.64 and 64,078.72

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Solution

The fourth proportional to 152,873.62, 229,076.64 and 64,078.72 is: 96,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,873.62 : 229,076.64 = 64,078.72 : x
  2. Step 2: Convert to fraction form
    152,873.62/229,076.64 = 64,078.72/x
  3. Step 3: Cross multiply
    152,873.62x = 229,076.64 × 64,078.72
  4. Step 4: Simplify right side
    152,873.62x = 14,678,937,873.10
  5. Step 5: Solve for x
    x = 14,678,937,873.10/152,873.62
  6. Step 6: Final answer
    x = 96,020.08

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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.