Home / 154,740.42-212,151.11-151,941.06

Finding the Fourth Proportional to 154,740.42, 212,151.11 and 151,941.06

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Solution

The fourth proportional to 154,740.42, 212,151.11 and 151,941.06 is: 208,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,740.42 : 212,151.11 = 151,941.06 : x
  2. Step 2: Convert to fraction form
    154,740.42/212,151.11 = 151,941.06/x
  3. Step 3: Cross multiply
    154,740.42x = 212,151.11 × 151,941.06
  4. Step 4: Simplify right side
    154,740.42x = 32,234,463,773.87
  5. Step 5: Solve for x
    x = 32,234,463,773.87/154,740.42
  6. Step 6: Final answer
    x = 208,313.15

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1.5x scale

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.