Home / 239,730.14-359,653.75-79,805.76

Finding the Fourth Proportional to 239,730.14, 359,653.75 and 79,805.76

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Solution

The fourth proportional to 239,730.14, 359,653.75 and 79,805.76 is: 119,728.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,730.14 : 359,653.75 = 79,805.76 : x
  2. Step 2: Convert to fraction form
    239,730.14/359,653.75 = 79,805.76/x
  3. Step 3: Cross multiply
    239,730.14x = 359,653.75 × 79,805.76
  4. Step 4: Simplify right side
    239,730.14x = 28,702,440,456.57
  5. Step 5: Solve for x
    x = 28,702,440,456.57/239,730.14
  6. Step 6: Final answer
    x = 119,728.13

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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.