Home / 255,156.64-382,735.20-122,005.60

Finding the Fourth Proportional to 255,156.64, 382,735.20 and 122,005.60

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Solution

The fourth proportional to 255,156.64, 382,735.20 and 122,005.60 is: 183,008.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,156.64 : 382,735.20 = 122,005.60 : x
  2. Step 2: Convert to fraction form
    255,156.64/382,735.20 = 122,005.60/x
  3. Step 3: Cross multiply
    255,156.64x = 382,735.20 × 122,005.60
  4. Step 4: Simplify right side
    255,156.64x = 46,695,837,717.12
  5. Step 5: Solve for x
    x = 46,695,837,717.12/255,156.64
  6. Step 6: Final answer
    x = 183,008.51

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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.