Home / 80,050.17-120,075.24-30,141.45

Finding the Fourth Proportional to 80,050.17, 120,075.24 and 30,141.45

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Solution

The fourth proportional to 80,050.17, 120,075.24 and 30,141.45 is: 45,212.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,050.17 : 120,075.24 = 30,141.45 : x
  2. Step 2: Convert to fraction form
    80,050.17/120,075.24 = 30,141.45/x
  3. Step 3: Cross multiply
    80,050.17x = 120,075.24 × 30,141.45
  4. Step 4: Simplify right side
    80,050.17x = 3,619,241,842.70
  5. Step 5: Solve for x
    x = 3,619,241,842.70/80,050.17
  6. Step 6: Final answer
    x = 45,212.17

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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.