Home / 149,288.96-206,015.04-84,770.24

Finding the Fourth Proportional to 149,288.96, 206,015.04 and 84,770.24

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Solution

The fourth proportional to 149,288.96, 206,015.04 and 84,770.24 is: 116,980.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,288.96 : 206,015.04 = 84,770.24 : x
  2. Step 2: Convert to fraction form
    149,288.96/206,015.04 = 84,770.24/x
  3. Step 3: Cross multiply
    149,288.96x = 206,015.04 × 84,770.24
  4. Step 4: Simplify right side
    149,288.96x = 17,463,944,384.41
  5. Step 5: Solve for x
    x = 17,463,944,384.41/149,288.96
  6. Step 6: Final answer
    x = 116,980.82

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1.5x scale

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.