Home / 130,074.51-195,130.36-40,124.82

Finding the Fourth Proportional to 130,074.51, 195,130.36 and 40,124.82

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Solution

The fourth proportional to 130,074.51, 195,130.36 and 40,124.82 is: 60,192.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,074.51 : 195,130.36 = 40,124.82 : x
  2. Step 2: Convert to fraction form
    130,074.51/195,130.36 = 40,124.82/x
  3. Step 3: Cross multiply
    130,074.51x = 195,130.36 × 40,124.82
  4. Step 4: Simplify right side
    130,074.51x = 7,829,570,571.54
  5. Step 5: Solve for x
    x = 7,829,570,571.54/130,074.51
  6. Step 6: Final answer
    x = 60,192.97

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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.