Home / 155,336.41-214,339.24-87,349.33

Finding the Fourth Proportional to 155,336.41, 214,339.24 and 87,349.33

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Solution

The fourth proportional to 155,336.41, 214,339.24 and 87,349.33 is: 120,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,336.41 : 214,339.24 = 87,349.33 : x
  2. Step 2: Convert to fraction form
    155,336.41/214,339.24 = 87,349.33/x
  3. Step 3: Cross multiply
    155,336.41x = 214,339.24 × 87,349.33
  4. Step 4: Simplify right side
    155,336.41x = 18,722,388,034.11
  5. Step 5: Solve for x
    x = 18,722,388,034.11/155,336.41
  6. Step 6: Final answer
    x = 120,528.01

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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.