Home / 212,070.06-292,658.74-115,274.34

Finding the Fourth Proportional to 212,070.06, 292,658.74 and 115,274.34

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Solution

The fourth proportional to 212,070.06, 292,658.74 and 115,274.34 is: 159,079.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,070.06 : 292,658.74 = 115,274.34 : x
  2. Step 2: Convert to fraction form
    212,070.06/292,658.74 = 115,274.34/x
  3. Step 3: Cross multiply
    212,070.06x = 292,658.74 × 115,274.34
  4. Step 4: Simplify right side
    212,070.06x = 33,736,043,098.73
  5. Step 5: Solve for x
    x = 33,736,043,098.73/212,070.06
  6. Step 6: Final answer
    x = 159,079.71

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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.