Home / 105,420.09-158,019.96-46,205.85

Finding the Fourth Proportional to 105,420.09, 158,019.96 and 46,205.85

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Solution

The fourth proportional to 105,420.09, 158,019.96 and 46,205.85 is: 69,260.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,420.09 : 158,019.96 = 46,205.85 : x
  2. Step 2: Convert to fraction form
    105,420.09/158,019.96 = 46,205.85/x
  3. Step 3: Cross multiply
    105,420.09x = 158,019.96 × 46,205.85
  4. Step 4: Simplify right side
    105,420.09x = 7,301,446,568.77
  5. Step 5: Solve for x
    x = 7,301,446,568.77/105,420.09
  6. Step 6: Final answer
    x = 69,260.49

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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.