Home / 219,117.75-302,383.04-118,515.75

Finding the Fourth Proportional to 219,117.75, 302,383.04 and 118,515.75

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Solution

The fourth proportional to 219,117.75, 302,383.04 and 118,515.75 is: 163,552.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,117.75 : 302,383.04 = 118,515.75 : x
  2. Step 2: Convert to fraction form
    219,117.75/302,383.04 = 118,515.75/x
  3. Step 3: Cross multiply
    219,117.75x = 302,383.04 × 118,515.75
  4. Step 4: Simplify right side
    219,117.75x = 35,837,152,180.30
  5. Step 5: Solve for x
    x = 35,837,152,180.30/219,117.75
  6. Step 6: Final answer
    x = 163,552.03

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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.