Home / 255,520.14-383,005.02-122,116.80

Finding the Fourth Proportional to 255,520.14, 383,005.02 and 122,116.80

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Solution

The fourth proportional to 255,520.14, 383,005.02 and 122,116.80 is: 183,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,520.14 : 383,005.02 = 122,116.80 : x
  2. Step 2: Convert to fraction form
    255,520.14/383,005.02 = 122,116.80/x
  3. Step 3: Cross multiply
    255,520.14x = 383,005.02 × 122,116.80
  4. Step 4: Simplify right side
    255,520.14x = 46,771,347,426.34
  5. Step 5: Solve for x
    x = 46,771,347,426.34/255,520.14
  6. Step 6: Final answer
    x = 183,043.68

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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.