Home / 143,748.35-198,372.93-80,088.38

Finding the Fourth Proportional to 143,748.35, 198,372.93 and 80,088.38

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Solution

The fourth proportional to 143,748.35, 198,372.93 and 80,088.38 is: 110,522.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,748.35 : 198,372.93 = 80,088.38 : x
  2. Step 2: Convert to fraction form
    143,748.35/198,372.93 = 80,088.38/x
  3. Step 3: Cross multiply
    143,748.35x = 198,372.93 × 80,088.38
  4. Step 4: Simplify right side
    143,748.35x = 15,887,366,599.55
  5. Step 5: Solve for x
    x = 15,887,366,599.55/143,748.35
  6. Step 6: Final answer
    x = 110,522.08

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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.