Home / 144,071.56-198,763.26-90,262.96

Finding the Fourth Proportional to 144,071.56, 198,763.26 and 90,262.96

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Solution

The fourth proportional to 144,071.56, 198,763.26 and 90,262.96 is: 124,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,071.56 : 198,763.26 = 90,262.96 : x
  2. Step 2: Convert to fraction form
    144,071.56/198,763.26 = 90,262.96/x
  3. Step 3: Cross multiply
    144,071.56x = 198,763.26 × 90,262.96
  4. Step 4: Simplify right side
    144,071.56x = 17,940,960,186.85
  5. Step 5: Solve for x
    x = 17,940,960,186.85/144,071.56
  6. Step 6: Final answer
    x = 124,528.12

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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.