Home / 211,965.30-292,512.06-116,478.18

Finding the Fourth Proportional to 211,965.30, 292,512.06 and 116,478.18

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Solution

The fourth proportional to 211,965.30, 292,512.06 and 116,478.18 is: 160,739.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,965.30 : 292,512.06 = 116,478.18 : x
  2. Step 2: Convert to fraction form
    211,965.30/292,512.06 = 116,478.18/x
  3. Step 3: Cross multiply
    211,965.30x = 292,512.06 × 116,478.18
  4. Step 4: Simplify right side
    211,965.30x = 34,071,272,376.85
  5. Step 5: Solve for x
    x = 34,071,272,376.85/211,965.30
  6. Step 6: Final answer
    x = 160,739.86

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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.