Home / 136,947.45-205,443.05-46,979.94

Finding the Fourth Proportional to 136,947.45, 205,443.05 and 46,979.94

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Solution

The fourth proportional to 136,947.45, 205,443.05 and 46,979.94 is: 70,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,947.45 : 205,443.05 = 46,979.94 : x
  2. Step 2: Convert to fraction form
    136,947.45/205,443.05 = 46,979.94/x
  3. Step 3: Cross multiply
    136,947.45x = 205,443.05 × 46,979.94
  4. Step 4: Simplify right side
    136,947.45x = 9,651,701,927.52
  5. Step 5: Solve for x
    x = 9,651,701,927.52/136,947.45
  6. Step 6: Final answer
    x = 70,477.41

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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.