Home / 255,890.04-383,834.98-89,678.04

Finding the Fourth Proportional to 255,890.04, 383,834.98 and 89,678.04

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Solution

The fourth proportional to 255,890.04, 383,834.98 and 89,678.04 is: 134,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,890.04 : 383,834.98 = 89,678.04 : x
  2. Step 2: Convert to fraction form
    255,890.04/383,834.98 = 89,678.04/x
  3. Step 3: Cross multiply
    255,890.04x = 383,834.98 × 89,678.04
  4. Step 4: Simplify right side
    255,890.04x = 34,421,568,689.84
  5. Step 5: Solve for x
    x = 34,421,568,689.84/255,890.04
  6. Step 6: Final answer
    x = 134,517.03

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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.