Home / 255,284.04-383,162.48-129,013.14

Finding the Fourth Proportional to 255,284.04, 383,162.48 and 129,013.14

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Solution

The fourth proportional to 255,284.04, 383,162.48 and 129,013.14 is: 193,639.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,284.04 : 383,162.48 = 129,013.14 : x
  2. Step 2: Convert to fraction form
    255,284.04/383,162.48 = 129,013.14/x
  3. Step 3: Cross multiply
    255,284.04x = 383,162.48 × 129,013.14
  4. Step 4: Simplify right side
    255,284.04x = 49,432,994,674.99
  5. Step 5: Solve for x
    x = 49,432,994,674.99/255,284.04
  6. Step 6: Final answer
    x = 193,639.19

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1.5x scale

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.