Home / 262,110.60-392,825.70-121,570.20

Finding the Fourth Proportional to 262,110.60, 392,825.70 and 121,570.20

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Solution

The fourth proportional to 262,110.60, 392,825.70 and 121,570.20 is: 182,197.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,110.60 : 392,825.70 = 121,570.20 : x
  2. Step 2: Convert to fraction form
    262,110.60/392,825.70 = 121,570.20/x
  3. Step 3: Cross multiply
    262,110.60x = 392,825.70 × 121,570.20
  4. Step 4: Simplify right side
    262,110.60x = 47,755,898,914.14
  5. Step 5: Solve for x
    x = 47,755,898,914.14/262,110.60
  6. Step 6: Final answer
    x = 182,197.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.