Home / 105,480.36-158,200.38-31,608.36

Finding the Fourth Proportional to 105,480.36, 158,200.38 and 31,608.36

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Solution

The fourth proportional to 105,480.36, 158,200.38 and 31,608.36 is: 47,406.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,480.36 : 158,200.38 = 31,608.36 : x
  2. Step 2: Convert to fraction form
    105,480.36/158,200.38 = 31,608.36/x
  3. Step 3: Cross multiply
    105,480.36x = 158,200.38 × 31,608.36
  4. Step 4: Simplify right side
    105,480.36x = 5,000,454,563.18
  5. Step 5: Solve for x
    x = 5,000,454,563.18/105,480.36
  6. Step 6: Final answer
    x = 47,406.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.