Home / 219,005.90-302,183-125,853.62

Finding the Fourth Proportional to 219,005.90, 302,183 and 125,853.62

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Solution

The fourth proportional to 219,005.90, 302,183 and 125,853.62 is: 173,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,005.90 : 302,183 = 125,853.62 : x
  2. Step 2: Convert to fraction form
    219,005.90/302,183 = 125,853.62/x
  3. Step 3: Cross multiply
    219,005.90x = 302,183 × 125,853.62
  4. Step 4: Simplify right side
    219,005.90x = 38,030,824,452.46
  5. Step 5: Solve for x
    x = 38,030,824,452.46/219,005.90
  6. Step 6: Final answer
    x = 173,652.05

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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.