Home / 115,258.95-172,888.41-36,379.32

Finding the Fourth Proportional to 115,258.95, 172,888.41 and 36,379.32

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Solution

The fourth proportional to 115,258.95, 172,888.41 and 36,379.32 is: 54,568.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,258.95 : 172,888.41 = 36,379.32 : x
  2. Step 2: Convert to fraction form
    115,258.95/172,888.41 = 36,379.32/x
  3. Step 3: Cross multiply
    115,258.95x = 172,888.41 × 36,379.32
  4. Step 4: Simplify right side
    115,258.95x = 6,289,562,791.68
  5. Step 5: Solve for x
    x = 6,289,562,791.68/115,258.95
  6. Step 6: Final answer
    x = 54,568.98

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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.