Home / 154,147.02-212,529.31-117,892.94

Finding the Fourth Proportional to 154,147.02, 212,529.31 and 117,892.94

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Solution

The fourth proportional to 154,147.02, 212,529.31 and 117,892.94 is: 162,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,147.02 : 212,529.31 = 117,892.94 : x
  2. Step 2: Convert to fraction form
    154,147.02/212,529.31 = 117,892.94/x
  3. Step 3: Cross multiply
    154,147.02x = 212,529.31 × 117,892.94
  4. Step 4: Simplify right side
    154,147.02x = 25,055,704,129.42
  5. Step 5: Solve for x
    x = 25,055,704,129.42/154,147.02
  6. Step 6: Final answer
    x = 162,544.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.