Home / 219,504.32-302,915.68-118,902.72

Finding the Fourth Proportional to 219,504.32, 302,915.68 and 118,902.72

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Solution

The fourth proportional to 219,504.32, 302,915.68 and 118,902.72 is: 164,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,504.32 : 302,915.68 = 118,902.72 : x
  2. Step 2: Convert to fraction form
    219,504.32/302,915.68 = 118,902.72/x
  3. Step 3: Cross multiply
    219,504.32x = 302,915.68 × 118,902.72
  4. Step 4: Simplify right side
    219,504.32x = 36,017,498,282.65
  5. Step 5: Solve for x
    x = 36,017,498,282.65/219,504.32
  6. Step 6: Final answer
    x = 164,085.60

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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.