Home / 143,686.74-198,293.82-80,024.53

Finding the Fourth Proportional to 143,686.74, 198,293.82 and 80,024.53

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Solution

The fourth proportional to 143,686.74, 198,293.82 and 80,024.53 is: 110,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,686.74 : 198,293.82 = 80,024.53 : x
  2. Step 2: Convert to fraction form
    143,686.74/198,293.82 = 80,024.53/x
  3. Step 3: Cross multiply
    143,686.74x = 198,293.82 × 80,024.53
  4. Step 4: Simplify right side
    143,686.74x = 15,868,370,331.22
  5. Step 5: Solve for x
    x = 15,868,370,331.22/143,686.74
  6. Step 6: Final answer
    x = 110,437.27

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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.