Home / 211,298.64-291,624.24-134,850.72

Finding the Fourth Proportional to 211,298.64, 291,624.24 and 134,850.72

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Solution

The fourth proportional to 211,298.64, 291,624.24 and 134,850.72 is: 186,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,298.64 : 291,624.24 = 134,850.72 : x
  2. Step 2: Convert to fraction form
    211,298.64/291,624.24 = 134,850.72/x
  3. Step 3: Cross multiply
    211,298.64x = 291,624.24 × 134,850.72
  4. Step 4: Simplify right side
    211,298.64x = 39,325,738,733.45
  5. Step 5: Solve for x
    x = 39,325,738,733.45/211,298.64
  6. Step 6: Final answer
    x = 186,114.49

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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.