Home / 158,816.69-238,001.06-87,771.32

Finding the Fourth Proportional to 158,816.69, 238,001.06 and 87,771.32

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Solution

The fourth proportional to 158,816.69, 238,001.06 and 87,771.32 is: 131,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,816.69 : 238,001.06 = 87,771.32 : x
  2. Step 2: Convert to fraction form
    158,816.69/238,001.06 = 87,771.32/x
  3. Step 3: Cross multiply
    158,816.69x = 238,001.06 × 87,771.32
  4. Step 4: Simplify right side
    158,816.69x = 20,889,667,197.60
  5. Step 5: Solve for x
    x = 20,889,667,197.60/158,816.69
  6. Step 6: Final answer
    x = 131,533.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.