Home / 144,771.15-217,156.73-139,522.35

Finding the Fourth Proportional to 144,771.15, 217,156.73 and 139,522.35

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Solution

The fourth proportional to 144,771.15, 217,156.73 and 139,522.35 is: 209,283.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,771.15 : 217,156.73 = 139,522.35 : x
  2. Step 2: Convert to fraction form
    144,771.15/217,156.73 = 139,522.35/x
  3. Step 3: Cross multiply
    144,771.15x = 217,156.73 × 139,522.35
  4. Step 4: Simplify right side
    144,771.15x = 30,298,216,590.30
  5. Step 5: Solve for x
    x = 30,298,216,590.30/144,771.15
  6. Step 6: Final answer
    x = 209,283.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.