Home / 130,680.36-196,019.80-47,574.36

Finding the Fourth Proportional to 130,680.36, 196,019.80 and 47,574.36

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Solution

The fourth proportional to 130,680.36, 196,019.80 and 47,574.36 is: 71,361.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,680.36 : 196,019.80 = 47,574.36 : x
  2. Step 2: Convert to fraction form
    130,680.36/196,019.80 = 47,574.36/x
  3. Step 3: Cross multiply
    130,680.36x = 196,019.80 × 47,574.36
  4. Step 4: Simplify right side
    130,680.36x = 9,325,516,532.33
  5. Step 5: Solve for x
    x = 9,325,516,532.33/130,680.36
  6. Step 6: Final answer
    x = 71,361.27

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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.