Home / 114,975.72-172,401.04-40,075.76

Finding the Fourth Proportional to 114,975.72, 172,401.04 and 40,075.76

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Solution

The fourth proportional to 114,975.72, 172,401.04 and 40,075.76 is: 60,091.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,975.72 : 172,401.04 = 40,075.76 : x
  2. Step 2: Convert to fraction form
    114,975.72/172,401.04 = 40,075.76/x
  3. Step 3: Cross multiply
    114,975.72x = 172,401.04 × 40,075.76
  4. Step 4: Simplify right side
    114,975.72x = 6,909,102,702.79
  5. Step 5: Solve for x
    x = 6,909,102,702.79/114,975.72
  6. Step 6: Final answer
    x = 60,091.84

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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.