Home / 190,681.08-285,932.64-70,733.20

Finding the Fourth Proportional to 190,681.08, 285,932.64 and 70,733.20

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Solution

The fourth proportional to 190,681.08, 285,932.64 and 70,733.20 is: 106,066.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,681.08 : 285,932.64 = 70,733.20 : x
  2. Step 2: Convert to fraction form
    190,681.08/285,932.64 = 70,733.20/x
  3. Step 3: Cross multiply
    190,681.08x = 285,932.64 × 70,733.20
  4. Step 4: Simplify right side
    190,681.08x = 20,224,930,611.65
  5. Step 5: Solve for x
    x = 20,224,930,611.65/190,681.08
  6. Step 6: Final answer
    x = 106,066.79

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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.