Home / 143,180.93-197,590.14-79,518.73

Finding the Fourth Proportional to 143,180.93, 197,590.14 and 79,518.73

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Solution

The fourth proportional to 143,180.93, 197,590.14 and 79,518.73 is: 109,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,180.93 : 197,590.14 = 79,518.73 : x
  2. Step 2: Convert to fraction form
    143,180.93/197,590.14 = 79,518.73/x
  3. Step 3: Cross multiply
    143,180.93x = 197,590.14 × 79,518.73
  4. Step 4: Simplify right side
    143,180.93x = 15,712,116,005.37
  5. Step 5: Solve for x
    x = 15,712,116,005.37/143,180.93
  6. Step 6: Final answer
    x = 109,736.10

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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.