Home / 211,904.88-292,378.32-120,024.96

Finding the Fourth Proportional to 211,904.88, 292,378.32 and 120,024.96

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Solution

The fourth proportional to 211,904.88, 292,378.32 and 120,024.96 is: 165,605.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,904.88 : 292,378.32 = 120,024.96 : x
  2. Step 2: Convert to fraction form
    211,904.88/292,378.32 = 120,024.96/x
  3. Step 3: Cross multiply
    211,904.88x = 292,378.32 × 120,024.96
  4. Step 4: Simplify right side
    211,904.88x = 35,092,696,162.87
  5. Step 5: Solve for x
    x = 35,092,696,162.87/211,904.88
  6. Step 6: Final answer
    x = 165,605.89

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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.