Home / 154,946.31-213,951.95-126,270.18

Finding the Fourth Proportional to 154,946.31, 213,951.95 and 126,270.18

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Solution

The fourth proportional to 154,946.31, 213,951.95 and 126,270.18 is: 174,355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,946.31 : 213,951.95 = 126,270.18 : x
  2. Step 2: Convert to fraction form
    154,946.31/213,951.95 = 126,270.18/x
  3. Step 3: Cross multiply
    154,946.31x = 213,951.95 × 126,270.18
  4. Step 4: Simplify right side
    154,946.31x = 27,015,751,237.85
  5. Step 5: Solve for x
    x = 27,015,751,237.85/154,946.31
  6. Step 6: Final answer
    x = 174,355.56

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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.