Home / 211,639.83-292,053.78-116,148.12

Finding the Fourth Proportional to 211,639.83, 292,053.78 and 116,148.12

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Solution

The fourth proportional to 211,639.83, 292,053.78 and 116,148.12 is: 160,279.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,639.83 : 292,053.78 = 116,148.12 : x
  2. Step 2: Convert to fraction form
    211,639.83/292,053.78 = 116,148.12/x
  3. Step 3: Cross multiply
    211,639.83x = 292,053.78 × 116,148.12
  4. Step 4: Simplify right side
    211,639.83x = 33,921,497,485.89
  5. Step 5: Solve for x
    x = 33,921,497,485.89/211,639.83
  6. Step 6: Final answer
    x = 160,279.36

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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.