Home / 115,423.20-173,112.93-40,525.74

Finding the Fourth Proportional to 115,423.20, 173,112.93 and 40,525.74

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Solution

The fourth proportional to 115,423.20, 173,112.93 and 40,525.74 is: 60,780.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,423.20 : 173,112.93 = 40,525.74 : x
  2. Step 2: Convert to fraction form
    115,423.20/173,112.93 = 40,525.74/x
  3. Step 3: Cross multiply
    115,423.20x = 173,112.93 × 40,525.74
  4. Step 4: Simplify right side
    115,423.20x = 7,015,529,591.82
  5. Step 5: Solve for x
    x = 7,015,529,591.82/115,423.20
  6. Step 6: Final answer
    x = 60,780.93

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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.