Home / 219,085.58-302,352.21-123,590.23

Finding the Fourth Proportional to 219,085.58, 302,352.21 and 123,590.23

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Solution

The fourth proportional to 219,085.58, 302,352.21 and 123,590.23 is: 170,562.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,085.58 : 302,352.21 = 123,590.23 : x
  2. Step 2: Convert to fraction form
    219,085.58/302,352.21 = 123,590.23/x
  3. Step 3: Cross multiply
    219,085.58x = 302,352.21 × 123,590.23
  4. Step 4: Simplify right side
    219,085.58x = 37,367,778,419.03
  5. Step 5: Solve for x
    x = 37,367,778,419.03/219,085.58
  6. Step 6: Final answer
    x = 170,562.47

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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.