Home / 158,704.08-219,011-87,085.30

Finding the Fourth Proportional to 158,704.08, 219,011 and 87,085.30

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Solution

The fourth proportional to 158,704.08, 219,011 and 87,085.30 is: 120,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,704.08 : 219,011 = 87,085.30 : x
  2. Step 2: Convert to fraction form
    158,704.08/219,011 = 87,085.30/x
  3. Step 3: Cross multiply
    158,704.08x = 219,011 × 87,085.30
  4. Step 4: Simplify right side
    158,704.08x = 19,072,638,638.30
  5. Step 5: Solve for x
    x = 19,072,638,638.30/158,704.08
  6. Step 6: Final answer
    x = 120,177.37

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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.