Home / 143,595.55-198,216.09-112,888.54

Finding the Fourth Proportional to 143,595.55, 198,216.09 and 112,888.54

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Solution

The fourth proportional to 143,595.55, 198,216.09 and 112,888.54 is: 155,828.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,595.55 : 198,216.09 = 112,888.54 : x
  2. Step 2: Convert to fraction form
    143,595.55/198,216.09 = 112,888.54/x
  3. Step 3: Cross multiply
    143,595.55x = 198,216.09 × 112,888.54
  4. Step 4: Simplify right side
    143,595.55x = 22,376,324,656.14
  5. Step 5: Solve for x
    x = 22,376,324,656.14/143,595.55
  6. Step 6: Final answer
    x = 155,828.82

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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.