Home / 190,899.58-286,222.98-91,075.18

Finding the Fourth Proportional to 190,899.58, 286,222.98 and 91,075.18

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Solution

The fourth proportional to 190,899.58, 286,222.98 and 91,075.18 is: 136,552.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,899.58 : 286,222.98 = 91,075.18 : x
  2. Step 2: Convert to fraction form
    190,899.58/286,222.98 = 91,075.18/x
  3. Step 3: Cross multiply
    190,899.58x = 286,222.98 × 91,075.18
  4. Step 4: Simplify right side
    190,899.58x = 26,067,809,423.64
  5. Step 5: Solve for x
    x = 26,067,809,423.64/190,899.58
  6. Step 6: Final answer
    x = 136,552.47

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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.