Home / 84,404.45-116,423.15-54,141.84

Finding the Fourth Proportional to 84,404.45, 116,423.15 and 54,141.84

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Solution

The fourth proportional to 84,404.45, 116,423.15 and 54,141.84 is: 74,680.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,404.45 : 116,423.15 = 54,141.84 : x
  2. Step 2: Convert to fraction form
    84,404.45/116,423.15 = 54,141.84/x
  3. Step 3: Cross multiply
    84,404.45x = 116,423.15 × 54,141.84
  4. Step 4: Simplify right side
    84,404.45x = 6,303,362,977.48
  5. Step 5: Solve for x
    x = 6,303,362,977.48/84,404.45
  6. Step 6: Final answer
    x = 74,680.46

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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.