Home / 239,816.50-359,760.29-79,840.19

Finding the Fourth Proportional to 239,816.50, 359,760.29 and 79,840.19

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Solution

The fourth proportional to 239,816.50, 359,760.29 and 79,840.19 is: 119,772.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,816.50 : 359,760.29 = 79,840.19 : x
  2. Step 2: Convert to fraction form
    239,816.50/359,760.29 = 79,840.19/x
  3. Step 3: Cross multiply
    239,816.50x = 359,760.29 × 79,840.19
  4. Step 4: Simplify right side
    239,816.50x = 28,723,329,908.06
  5. Step 5: Solve for x
    x = 28,723,329,908.06/239,816.50
  6. Step 6: Final answer
    x = 119,772.12

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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.