Home / 155,085.18-214,098.82-104,364.60

Finding the Fourth Proportional to 155,085.18, 214,098.82 and 104,364.60

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Solution

The fourth proportional to 155,085.18, 214,098.82 and 104,364.60 is: 144,077.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,085.18 : 214,098.82 = 104,364.60 : x
  2. Step 2: Convert to fraction form
    155,085.18/214,098.82 = 104,364.60/x
  3. Step 3: Cross multiply
    155,085.18x = 214,098.82 × 104,364.60
  4. Step 4: Simplify right side
    155,085.18x = 22,344,337,709.77
  5. Step 5: Solve for x
    x = 22,344,337,709.77/155,085.18
  6. Step 6: Final answer
    x = 144,077.84

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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.