Home / 146,244.96-218,898.72-78,682.32

Finding the Fourth Proportional to 146,244.96, 218,898.72 and 78,682.32

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Solution

The fourth proportional to 146,244.96, 218,898.72 and 78,682.32 is: 117,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,244.96 : 218,898.72 = 78,682.32 : x
  2. Step 2: Convert to fraction form
    146,244.96/218,898.72 = 78,682.32/x
  3. Step 3: Cross multiply
    146,244.96x = 218,898.72 × 78,682.32
  4. Step 4: Simplify right side
    146,244.96x = 17,223,459,134.63
  5. Step 5: Solve for x
    x = 17,223,459,134.63/146,244.96
  6. Step 6: Final answer
    x = 117,771.30

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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.