Home / 219,069.69-302,281.97-123,573.93

Finding the Fourth Proportional to 219,069.69, 302,281.97 and 123,573.93

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Solution

The fourth proportional to 219,069.69, 302,281.97 and 123,573.93 is: 170,512.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,069.69 : 302,281.97 = 123,573.93 : x
  2. Step 2: Convert to fraction form
    219,069.69/302,281.97 = 123,573.93/x
  3. Step 3: Cross multiply
    219,069.69x = 302,281.97 × 123,573.93
  4. Step 4: Simplify right side
    219,069.69x = 37,354,171,001.04
  5. Step 5: Solve for x
    x = 37,354,171,001.04/219,069.69
  6. Step 6: Final answer
    x = 170,512.73

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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.