Home / 144,050.09-198,800.37-80,397.45

Finding the Fourth Proportional to 144,050.09, 198,800.37 and 80,397.45

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Solution

The fourth proportional to 144,050.09, 198,800.37 and 80,397.45 is: 110,954.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,050.09 : 198,800.37 = 80,397.45 : x
  2. Step 2: Convert to fraction form
    144,050.09/198,800.37 = 80,397.45/x
  3. Step 3: Cross multiply
    144,050.09x = 198,800.37 × 80,397.45
  4. Step 4: Simplify right side
    144,050.09x = 15,983,042,807.06
  5. Step 5: Solve for x
    x = 15,983,042,807.06/144,050.09
  6. Step 6: Final answer
    x = 110,954.76

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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.