Home / 219,541.62-302,968.89-118,939.62

Finding the Fourth Proportional to 219,541.62, 302,968.89 and 118,939.62

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Solution

The fourth proportional to 219,541.62, 302,968.89 and 118,939.62 is: 164,137.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,541.62 : 302,968.89 = 118,939.62 : x
  2. Step 2: Convert to fraction form
    219,541.62/302,968.89 = 118,939.62/x
  3. Step 3: Cross multiply
    219,541.62x = 302,968.89 × 118,939.62
  4. Step 4: Simplify right side
    219,541.62x = 36,035,004,648.42
  5. Step 5: Solve for x
    x = 36,035,004,648.42/219,541.62
  6. Step 6: Final answer
    x = 164,137.46

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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.