Home / 143,499.44-198,011.40-79,832.72

Finding the Fourth Proportional to 143,499.44, 198,011.40 and 79,832.72

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Solution

The fourth proportional to 143,499.44, 198,011.40 and 79,832.72 is: 110,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,499.44 : 198,011.40 = 79,832.72 : x
  2. Step 2: Convert to fraction form
    143,499.44/198,011.40 = 79,832.72/x
  3. Step 3: Cross multiply
    143,499.44x = 198,011.40 × 79,832.72
  4. Step 4: Simplify right side
    143,499.44x = 15,807,788,653.01
  5. Step 5: Solve for x
    x = 15,807,788,653.01/143,499.44
  6. Step 6: Final answer
    x = 110,159.24

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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.