Home / 255,283.04-383,160.98-129,012.14

Finding the Fourth Proportional to 255,283.04, 383,160.98 and 129,012.14

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Solution

The fourth proportional to 255,283.04, 383,160.98 and 129,012.14 is: 193,637.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,283.04 : 383,160.98 = 129,012.14 : x
  2. Step 2: Convert to fraction form
    255,283.04/383,160.98 = 129,012.14/x
  3. Step 3: Cross multiply
    255,283.04x = 383,160.98 × 129,012.14
  4. Step 4: Simplify right side
    255,283.04x = 49,432,419,274.73
  5. Step 5: Solve for x
    x = 49,432,419,274.73/255,283.04
  6. Step 6: Final answer
    x = 193,637.69

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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.