Home / 154,745.42-212,157.96-151,946.06

Finding the Fourth Proportional to 154,745.42, 212,157.96 and 151,946.06

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Solution

The fourth proportional to 154,745.42, 212,157.96 and 151,946.06 is: 208,320.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,745.42 : 212,157.96 = 151,946.06 : x
  2. Step 2: Convert to fraction form
    154,745.42/212,157.96 = 151,946.06/x
  3. Step 3: Cross multiply
    154,745.42x = 212,157.96 × 151,946.06
  4. Step 4: Simplify right side
    154,745.42x = 32,236,565,359.91
  5. Step 5: Solve for x
    x = 32,236,565,359.91/154,745.42
  6. Step 6: Final answer
    x = 208,320.00

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.