Home / 106,879.47-160,319.06-42,866.49

Finding the Fourth Proportional to 106,879.47, 160,319.06 and 42,866.49

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Solution

The fourth proportional to 106,879.47, 160,319.06 and 42,866.49 is: 64,299.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,879.47 : 160,319.06 = 42,866.49 : x
  2. Step 2: Convert to fraction form
    106,879.47/160,319.06 = 42,866.49/x
  3. Step 3: Cross multiply
    106,879.47x = 160,319.06 × 42,866.49
  4. Step 4: Simplify right side
    106,879.47x = 6,872,315,167.97
  5. Step 5: Solve for x
    x = 6,872,315,167.97/106,879.47
  6. Step 6: Final answer
    x = 64,299.67

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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.