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Finding the Fourth Proportional to 141,360, 212,027.55 and 84,820.56

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Solution

The fourth proportional to 141,360, 212,027.55 and 84,820.56 is: 127,223.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,360 : 212,027.55 = 84,820.56 : x
  2. Step 2: Convert to fraction form
    141,360/212,027.55 = 84,820.56/x
  3. Step 3: Cross multiply
    141,360x = 212,027.55 × 84,820.56
  4. Step 4: Simplify right side
    141,360x = 17,984,295,526.43
  5. Step 5: Solve for x
    x = 17,984,295,526.43/141,360
  6. Step 6: Final answer
    x = 127,223.37

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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.