Home / 219,345.25-302,696.85-118,743.25

Finding the Fourth Proportional to 219,345.25, 302,696.85 and 118,743.25

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Solution

The fourth proportional to 219,345.25, 302,696.85 and 118,743.25 is: 163,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,345.25 : 302,696.85 = 118,743.25 : x
  2. Step 2: Convert to fraction form
    219,345.25/302,696.85 = 118,743.25/x
  3. Step 3: Cross multiply
    219,345.25x = 302,696.85 × 118,743.25
  4. Step 4: Simplify right side
    219,345.25x = 35,943,207,733.76
  5. Step 5: Solve for x
    x = 35,943,207,733.76/219,345.25
  6. Step 6: Final answer
    x = 163,865.90

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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.