Home / 152,799.84-229,246.70-72,939.72

Finding the Fourth Proportional to 152,799.84, 229,246.70 and 72,939.72

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Solution

The fourth proportional to 152,799.84, 229,246.70 and 72,939.72 is: 109,431.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,799.84 : 229,246.70 = 72,939.72 : x
  2. Step 2: Convert to fraction form
    152,799.84/229,246.70 = 72,939.72/x
  3. Step 3: Cross multiply
    152,799.84x = 229,246.70 × 72,939.72
  4. Step 4: Simplify right side
    152,799.84x = 16,721,189,744.23
  5. Step 5: Solve for x
    x = 16,721,189,744.23/152,799.84
  6. Step 6: Final answer
    x = 109,431.98

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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.