Home / 141,801.72-195,683.85-77,271.51

Finding the Fourth Proportional to 141,801.72, 195,683.85 and 77,271.51

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Solution

The fourth proportional to 141,801.72, 195,683.85 and 77,271.51 is: 106,633.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,801.72 : 195,683.85 = 77,271.51 : x
  2. Step 2: Convert to fraction form
    141,801.72/195,683.85 = 77,271.51/x
  3. Step 3: Cross multiply
    141,801.72x = 195,683.85 × 77,271.51
  4. Step 4: Simplify right side
    141,801.72x = 15,120,787,305.93
  5. Step 5: Solve for x
    x = 15,120,787,305.93/141,801.72
  6. Step 6: Final answer
    x = 106,633.32

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1.5x scale

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.