Home / 141,792.56-195,683.21-78,130.35

Finding the Fourth Proportional to 141,792.56, 195,683.21 and 78,130.35

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Solution

The fourth proportional to 141,792.56, 195,683.21 and 78,130.35 is: 107,825.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,792.56 : 195,683.21 = 78,130.35 : x
  2. Step 2: Convert to fraction form
    141,792.56/195,683.21 = 78,130.35/x
  3. Step 3: Cross multiply
    141,792.56x = 195,683.21 × 78,130.35
  4. Step 4: Simplify right side
    141,792.56x = 15,288,798,441.52
  5. Step 5: Solve for x
    x = 15,288,798,441.52/141,792.56
  6. Step 6: Final answer
    x = 107,825.11

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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.