Home / 122,828.81-183,947.96-70,078.37

Finding the Fourth Proportional to 122,828.81, 183,947.96 and 70,078.37

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Solution

The fourth proportional to 122,828.81, 183,947.96 and 70,078.37 is: 104,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,828.81 : 183,947.96 = 70,078.37 : x
  2. Step 2: Convert to fraction form
    122,828.81/183,947.96 = 70,078.37/x
  3. Step 3: Cross multiply
    122,828.81x = 183,947.96 × 70,078.37
  4. Step 4: Simplify right side
    122,828.81x = 12,890,771,931.49
  5. Step 5: Solve for x
    x = 12,890,771,931.49/122,828.81
  6. Step 6: Final answer
    x = 104,949.10

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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.