Home / 190,964.84-286,175.64-140,649.24

Finding the Fourth Proportional to 190,964.84, 286,175.64 and 140,649.24

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Solution

The fourth proportional to 190,964.84, 286,175.64 and 140,649.24 is: 210,773.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,964.84 : 286,175.64 = 140,649.24 : x
  2. Step 2: Convert to fraction form
    190,964.84/286,175.64 = 140,649.24/x
  3. Step 3: Cross multiply
    190,964.84x = 286,175.64 × 140,649.24
  4. Step 4: Simplify right side
    190,964.84x = 40,250,386,272.51
  5. Step 5: Solve for x
    x = 40,250,386,272.51/190,964.84
  6. Step 6: Final answer
    x = 210,773.81

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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.