Home / 211,643.14-292,060.93-116,147.38

Finding the Fourth Proportional to 211,643.14, 292,060.93 and 116,147.38

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Solution

The fourth proportional to 211,643.14, 292,060.93 and 116,147.38 is: 160,279.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,643.14 : 292,060.93 = 116,147.38 : x
  2. Step 2: Convert to fraction form
    211,643.14/292,060.93 = 116,147.38/x
  3. Step 3: Cross multiply
    211,643.14x = 292,060.93 × 116,147.38
  4. Step 4: Simplify right side
    211,643.14x = 33,922,111,819.86
  5. Step 5: Solve for x
    x = 33,922,111,819.86/211,643.14
  6. Step 6: Final answer
    x = 160,279.76

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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.