Home / 130,369.61-195,584.93-40,407.62

Finding the Fourth Proportional to 130,369.61, 195,584.93 and 40,407.62

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Solution

The fourth proportional to 130,369.61, 195,584.93 and 40,407.62 is: 60,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,369.61 : 195,584.93 = 40,407.62 : x
  2. Step 2: Convert to fraction form
    130,369.61/195,584.93 = 40,407.62/x
  3. Step 3: Cross multiply
    130,369.61x = 195,584.93 × 40,407.62
  4. Step 4: Simplify right side
    130,369.61x = 7,903,121,365.01
  5. Step 5: Solve for x
    x = 7,903,121,365.01/130,369.61
  6. Step 6: Final answer
    x = 60,620.89

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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.