Home / 155,339.15-214,440.21-117,114.17

Finding the Fourth Proportional to 155,339.15, 214,440.21 and 117,114.17

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Solution

The fourth proportional to 155,339.15, 214,440.21 and 117,114.17 is: 161,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,339.15 : 214,440.21 = 117,114.17 : x
  2. Step 2: Convert to fraction form
    155,339.15/214,440.21 = 117,114.17/x
  3. Step 3: Cross multiply
    155,339.15x = 214,440.21 × 117,114.17
  4. Step 4: Simplify right side
    155,339.15x = 25,113,986,136.57
  5. Step 5: Solve for x
    x = 25,113,986,136.57/155,339.15
  6. Step 6: Final answer
    x = 161,671.97

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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.