Home / 143,709.95-198,317.00-90,024.57

Finding the Fourth Proportional to 143,709.95, 198,317.00 and 90,024.57

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Solution

The fourth proportional to 143,709.95, 198,317.00 and 90,024.57 is: 124,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,709.95 : 198,317.00 = 90,024.57 : x
  2. Step 2: Convert to fraction form
    143,709.95/198,317.00 = 90,024.57/x
  3. Step 3: Cross multiply
    143,709.95x = 198,317.00 × 90,024.57
  4. Step 4: Simplify right side
    143,709.95x = 17,853,402,198.57
  5. Step 5: Solve for x
    x = 17,853,402,198.57/143,709.95
  6. Step 6: Final answer
    x = 124,232.20

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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.