Home / 190,364.46-262,704.51-105,482.94

Finding the Fourth Proportional to 190,364.46, 262,704.51 and 105,482.94

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Solution

The fourth proportional to 190,364.46, 262,704.51 and 105,482.94 is: 145,567.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,364.46 : 262,704.51 = 105,482.94 : x
  2. Step 2: Convert to fraction form
    190,364.46/262,704.51 = 105,482.94/x
  3. Step 3: Cross multiply
    190,364.46x = 262,704.51 × 105,482.94
  4. Step 4: Simplify right side
    190,364.46x = 27,710,844,066.06
  5. Step 5: Solve for x
    x = 27,710,844,066.06/190,364.46
  6. Step 6: Final answer
    x = 145,567.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.