Home / 143,533.38-198,073.44-79,870.62

Finding the Fourth Proportional to 143,533.38, 198,073.44 and 79,870.62

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Solution

The fourth proportional to 143,533.38, 198,073.44 and 79,870.62 is: 110,220.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,533.38 : 198,073.44 = 79,870.62 : x
  2. Step 2: Convert to fraction form
    143,533.38/198,073.44 = 79,870.62/x
  3. Step 3: Cross multiply
    143,533.38x = 198,073.44 × 79,870.62
  4. Step 4: Simplify right side
    143,533.38x = 15,820,248,458.33
  5. Step 5: Solve for x
    x = 15,820,248,458.33/143,533.38
  6. Step 6: Final answer
    x = 110,220.00

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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.