Home / 143,881.48-198,558.93-80,212.24

Finding the Fourth Proportional to 143,881.48, 198,558.93 and 80,212.24

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Solution

The fourth proportional to 143,881.48, 198,558.93 and 80,212.24 is: 110,694.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,881.48 : 198,558.93 = 80,212.24 : x
  2. Step 2: Convert to fraction form
    143,881.48/198,558.93 = 80,212.24/x
  3. Step 3: Cross multiply
    143,881.48x = 198,558.93 × 80,212.24
  4. Step 4: Simplify right side
    143,881.48x = 15,926,856,547.30
  5. Step 5: Solve for x
    x = 15,926,856,547.30/143,881.48
  6. Step 6: Final answer
    x = 110,694.28

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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.