Home / 141,433.83-195,181.65-77,775.12

Finding the Fourth Proportional to 141,433.83, 195,181.65 and 77,775.12

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Solution

The fourth proportional to 141,433.83, 195,181.65 and 77,775.12 is: 107,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,433.83 : 195,181.65 = 77,775.12 : x
  2. Step 2: Convert to fraction form
    141,433.83/195,181.65 = 77,775.12/x
  3. Step 3: Cross multiply
    141,433.83x = 195,181.65 × 77,775.12
  4. Step 4: Simplify right side
    141,433.83x = 15,180,276,250.55
  5. Step 5: Solve for x
    x = 15,180,276,250.55/141,433.83
  6. Step 6: Final answer
    x = 107,331.30

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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.