Home / 141,353.63-195,064.70-76,821.33

Finding the Fourth Proportional to 141,353.63, 195,064.70 and 76,821.33

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Solution

The fourth proportional to 141,353.63, 195,064.70 and 76,821.33 is: 106,011.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,353.63 : 195,064.70 = 76,821.33 : x
  2. Step 2: Convert to fraction form
    141,353.63/195,064.70 = 76,821.33/x
  3. Step 3: Cross multiply
    141,353.63x = 195,064.70 × 76,821.33
  4. Step 4: Simplify right side
    141,353.63x = 14,985,129,690.05
  5. Step 5: Solve for x
    x = 14,985,129,690.05/141,353.63
  6. Step 6: Final answer
    x = 106,011.64

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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.