Home / 152,986.64-229,285.24-86,463.84

Finding the Fourth Proportional to 152,986.64, 229,285.24 and 86,463.84

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Solution

The fourth proportional to 152,986.64, 229,285.24 and 86,463.84 is: 129,585.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,986.64 : 229,285.24 = 86,463.84 : x
  2. Step 2: Convert to fraction form
    152,986.64/229,285.24 = 86,463.84/x
  3. Step 3: Cross multiply
    152,986.64x = 229,285.24 × 86,463.84
  4. Step 4: Simplify right side
    152,986.64x = 19,824,882,305.72
  5. Step 5: Solve for x
    x = 19,824,882,305.72/152,986.64
  6. Step 6: Final answer
    x = 129,585.71

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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.