Home / 142,761.07-197,013.63-82,334.26

Finding the Fourth Proportional to 142,761.07, 197,013.63 and 82,334.26

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Solution

The fourth proportional to 142,761.07, 197,013.63 and 82,334.26 is: 113,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,761.07 : 197,013.63 = 82,334.26 : x
  2. Step 2: Convert to fraction form
    142,761.07/197,013.63 = 82,334.26/x
  3. Step 3: Cross multiply
    142,761.07x = 197,013.63 × 82,334.26
  4. Step 4: Simplify right side
    142,761.07x = 16,220,971,435.96
  5. Step 5: Solve for x
    x = 16,220,971,435.96/142,761.07
  6. Step 6: Final answer
    x = 113,623.21

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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.