Home / 144,141.38-216,212.07-42,940.97

Finding the Fourth Proportional to 144,141.38, 216,212.07 and 42,940.97

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Solution

The fourth proportional to 144,141.38, 216,212.07 and 42,940.97 is: 64,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,141.38 : 216,212.07 = 42,940.97 : x
  2. Step 2: Convert to fraction form
    144,141.38/216,212.07 = 42,940.97/x
  3. Step 3: Cross multiply
    144,141.38x = 216,212.07 × 42,940.97
  4. Step 4: Simplify right side
    144,141.38x = 9,284,355,249.95
  5. Step 5: Solve for x
    x = 9,284,355,249.95/144,141.38
  6. Step 6: Final answer
    x = 64,411.45

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1.5x scale

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.