Home / 214,681.32-321,382.08-130,186.98

Finding the Fourth Proportional to 214,681.32, 321,382.08 and 130,186.98

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Solution

The fourth proportional to 214,681.32, 321,382.08 and 130,186.98 is: 194,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,681.32 : 321,382.08 = 130,186.98 : x
  2. Step 2: Convert to fraction form
    214,681.32/321,382.08 = 130,186.98/x
  3. Step 3: Cross multiply
    214,681.32x = 321,382.08 × 130,186.98
  4. Step 4: Simplify right side
    214,681.32x = 41,839,762,421.32
  5. Step 5: Solve for x
    x = 41,839,762,421.32/214,681.32
  6. Step 6: Final answer
    x = 194,892.42

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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.