Home / 255,022.57-382,534.53-121,872.52

Finding the Fourth Proportional to 255,022.57, 382,534.53 and 121,872.52

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Solution

The fourth proportional to 255,022.57, 382,534.53 and 121,872.52 is: 182,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,022.57 : 382,534.53 = 121,872.52 : x
  2. Step 2: Convert to fraction form
    255,022.57/382,534.53 = 121,872.52/x
  3. Step 3: Cross multiply
    255,022.57x = 382,534.53 × 121,872.52
  4. Step 4: Simplify right side
    255,022.57x = 46,620,447,158.12
  5. Step 5: Solve for x
    x = 46,620,447,158.12/255,022.57
  6. Step 6: Final answer
    x = 182,809.10

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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.