Home / 151,118.55-226,678.23-72,214.83

Finding the Fourth Proportional to 151,118.55, 226,678.23 and 72,214.83

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Solution

The fourth proportional to 151,118.55, 226,678.23 and 72,214.83 is: 108,322.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,118.55 : 226,678.23 = 72,214.83 : x
  2. Step 2: Convert to fraction form
    151,118.55/226,678.23 = 72,214.83/x
  3. Step 3: Cross multiply
    151,118.55x = 226,678.23 × 72,214.83
  4. Step 4: Simplify right side
    151,118.55x = 16,369,529,844.15
  5. Step 5: Solve for x
    x = 16,369,529,844.15/151,118.55
  6. Step 6: Final answer
    x = 108,322.44

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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.