Home / 84,220.12-116,220.72-46,493.56

Finding the Fourth Proportional to 84,220.12, 116,220.72 and 46,493.56

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Solution

The fourth proportional to 84,220.12, 116,220.72 and 46,493.56 is: 64,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,220.12 : 116,220.72 = 46,493.56 : x
  2. Step 2: Convert to fraction form
    84,220.12/116,220.72 = 46,493.56/x
  3. Step 3: Cross multiply
    84,220.12x = 116,220.72 × 46,493.56
  4. Step 4: Simplify right side
    84,220.12x = 5,403,515,018.56
  5. Step 5: Solve for x
    x = 5,403,515,018.56/84,220.12
  6. Step 6: Final answer
    x = 64,159.43

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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.