Home / 219,166.12-302,449.26-118,564.12

Finding the Fourth Proportional to 219,166.12, 302,449.26 and 118,564.12

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Solution

The fourth proportional to 219,166.12, 302,449.26 and 118,564.12 is: 163,618.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,166.12 : 302,449.26 = 118,564.12 : x
  2. Step 2: Convert to fraction form
    219,166.12/302,449.26 = 118,564.12/x
  3. Step 3: Cross multiply
    219,166.12x = 302,449.26 × 118,564.12
  4. Step 4: Simplify right side
    219,166.12x = 35,859,630,356.55
  5. Step 5: Solve for x
    x = 35,859,630,356.55/219,166.12
  6. Step 6: Final answer
    x = 163,618.49

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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.