Home / 155,890.94-215,131.46-94,619.39

Finding the Fourth Proportional to 155,890.94, 215,131.46 and 94,619.39

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Solution

The fourth proportional to 155,890.94, 215,131.46 and 94,619.39 is: 130,575.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,890.94 : 215,131.46 = 94,619.39 : x
  2. Step 2: Convert to fraction form
    155,890.94/215,131.46 = 94,619.39/x
  3. Step 3: Cross multiply
    155,890.94x = 215,131.46 × 94,619.39
  4. Step 4: Simplify right side
    155,890.94x = 20,355,605,966.26
  5. Step 5: Solve for x
    x = 20,355,605,966.26/155,890.94
  6. Step 6: Final answer
    x = 130,575.94

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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.