Home / 189,828.80-284,786.40-110,902.40

Finding the Fourth Proportional to 189,828.80, 284,786.40 and 110,902.40

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Solution

The fourth proportional to 189,828.80, 284,786.40 and 110,902.40 is: 166,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,828.80 : 284,786.40 = 110,902.40 : x
  2. Step 2: Convert to fraction form
    189,828.80/284,786.40 = 110,902.40/x
  3. Step 3: Cross multiply
    189,828.80x = 284,786.40 × 110,902.40
  4. Step 4: Simplify right side
    189,828.80x = 31,583,495,247.36
  5. Step 5: Solve for x
    x = 31,583,495,247.36/189,828.80
  6. Step 6: Final answer
    x = 166,378.84

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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.