Home / 158,702.46-219,009.06-87,083.34

Finding the Fourth Proportional to 158,702.46, 219,009.06 and 87,083.34

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Solution

The fourth proportional to 158,702.46, 219,009.06 and 87,083.34 is: 120,174.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,702.46 : 219,009.06 = 87,083.34 : x
  2. Step 2: Convert to fraction form
    158,702.46/219,009.06 = 87,083.34/x
  3. Step 3: Cross multiply
    158,702.46x = 219,009.06 × 87,083.34
  4. Step 4: Simplify right side
    158,702.46x = 19,072,040,435.06
  5. Step 5: Solve for x
    x = 19,072,040,435.06/158,702.46
  6. Step 6: Final answer
    x = 120,174.83

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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.