Home / 115,840.87-173,775.61-40,945.57

Finding the Fourth Proportional to 115,840.87, 173,775.61 and 40,945.57

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Solution

The fourth proportional to 115,840.87, 173,775.61 and 40,945.57 is: 61,423.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,840.87 : 173,775.61 = 40,945.57 : x
  2. Step 2: Convert to fraction form
    115,840.87/173,775.61 = 40,945.57/x
  3. Step 3: Cross multiply
    115,840.87x = 173,775.61 × 40,945.57
  4. Step 4: Simplify right side
    115,840.87x = 7,115,340,866.74
  5. Step 5: Solve for x
    x = 7,115,340,866.74/115,840.87
  6. Step 6: Final answer
    x = 61,423.41

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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.