Home / 99,240.39-148,860.28-40,075.36

Finding the Fourth Proportional to 99,240.39, 148,860.28 and 40,075.36

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Solution

The fourth proportional to 99,240.39, 148,860.28 and 40,075.36 is: 60,112.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,240.39 : 148,860.28 = 40,075.36 : x
  2. Step 2: Convert to fraction form
    99,240.39/148,860.28 = 40,075.36/x
  3. Step 3: Cross multiply
    99,240.39x = 148,860.28 × 40,075.36
  4. Step 4: Simplify right side
    99,240.39x = 5,965,628,988.64
  5. Step 5: Solve for x
    x = 5,965,628,988.64/99,240.39
  6. Step 6: Final answer
    x = 60,112.91

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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.