Home / 155,756.25-214,943.46-84,136.26

Finding the Fourth Proportional to 155,756.25, 214,943.46 and 84,136.26

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Solution

The fourth proportional to 155,756.25, 214,943.46 and 84,136.26 is: 116,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,756.25 : 214,943.46 = 84,136.26 : x
  2. Step 2: Convert to fraction form
    155,756.25/214,943.46 = 84,136.26/x
  3. Step 3: Cross multiply
    155,756.25x = 214,943.46 × 84,136.26
  4. Step 4: Simplify right side
    155,756.25x = 18,084,538,835.86
  5. Step 5: Solve for x
    x = 18,084,538,835.86/155,756.25
  6. Step 6: Final answer
    x = 116,107.95

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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.