Home / 212,304.04-292,946.22-121,642.56

Finding the Fourth Proportional to 212,304.04, 292,946.22 and 121,642.56

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Solution

The fourth proportional to 212,304.04, 292,946.22 and 121,642.56 is: 167,847.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,304.04 : 292,946.22 = 121,642.56 : x
  2. Step 2: Convert to fraction form
    212,304.04/292,946.22 = 121,642.56/x
  3. Step 3: Cross multiply
    212,304.04x = 292,946.22 × 121,642.56
  4. Step 4: Simplify right side
    212,304.04x = 35,634,728,143.12
  5. Step 5: Solve for x
    x = 35,634,728,143.12/212,304.04
  6. Step 6: Final answer
    x = 167,847.62

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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.