Home / 212,274.03-292,980.04-121,690.82

Finding the Fourth Proportional to 212,274.03, 292,980.04 and 121,690.82

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Solution

The fourth proportional to 212,274.03, 292,980.04 and 121,690.82 is: 167,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,274.03 : 292,980.04 = 121,690.82 : x
  2. Step 2: Convert to fraction form
    212,274.03/292,980.04 = 121,690.82/x
  3. Step 3: Cross multiply
    212,274.03x = 292,980.04 × 121,690.82
  4. Step 4: Simplify right side
    212,274.03x = 35,652,981,739.46
  5. Step 5: Solve for x
    x = 35,652,981,739.46/212,274.03
  6. Step 6: Final answer
    x = 167,957.34

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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.