Home / 84,161.39-116,142.63-46,435.64

Finding the Fourth Proportional to 84,161.39, 116,142.63 and 46,435.64

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Solution

The fourth proportional to 84,161.39, 116,142.63 and 46,435.64 is: 64,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,161.39 : 116,142.63 = 46,435.64 : x
  2. Step 2: Convert to fraction form
    84,161.39/116,142.63 = 46,435.64/x
  3. Step 3: Cross multiply
    84,161.39x = 116,142.63 × 46,435.64
  4. Step 4: Simplify right side
    84,161.39x = 5,393,156,774.62
  5. Step 5: Solve for x
    x = 5,393,156,774.62/84,161.39
  6. Step 6: Final answer
    x = 64,081.13

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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.