Home / 154,091.66-212,504.19-118,283.18

Finding the Fourth Proportional to 154,091.66, 212,504.19 and 118,283.18

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Solution

The fourth proportional to 154,091.66, 212,504.19 and 118,283.18 is: 163,121.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,091.66 : 212,504.19 = 118,283.18 : x
  2. Step 2: Convert to fraction form
    154,091.66/212,504.19 = 118,283.18/x
  3. Step 3: Cross multiply
    154,091.66x = 212,504.19 × 118,283.18
  4. Step 4: Simplify right side
    154,091.66x = 25,135,671,356.52
  5. Step 5: Solve for x
    x = 25,135,671,356.52/154,091.66
  6. Step 6: Final answer
    x = 163,121.56

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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.