Home / 152,811.68-229,239.41-47,638.85

Finding the Fourth Proportional to 152,811.68, 229,239.41 and 47,638.85

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Solution

The fourth proportional to 152,811.68, 229,239.41 and 47,638.85 is: 71,465.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,811.68 : 229,239.41 = 47,638.85 : x
  2. Step 2: Convert to fraction form
    152,811.68/229,239.41 = 47,638.85/x
  3. Step 3: Cross multiply
    152,811.68x = 229,239.41 × 47,638.85
  4. Step 4: Simplify right side
    152,811.68x = 10,920,700,482.69
  5. Step 5: Solve for x
    x = 10,920,700,482.69/152,811.68
  6. Step 6: Final answer
    x = 71,465.09

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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.