Home / 97,988.88-135,214.30-57,700

Finding the Fourth Proportional to 97,988.88, 135,214.30 and 57,700

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Solution

The fourth proportional to 97,988.88, 135,214.30 and 57,700 is: 79,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,988.88 : 135,214.30 = 57,700 : x
  2. Step 2: Convert to fraction form
    97,988.88/135,214.30 = 57,700/x
  3. Step 3: Cross multiply
    97,988.88x = 135,214.30 × 57,700
  4. Step 4: Simplify right side
    97,988.88x = 7,801,865,110.00
  5. Step 5: Solve for x
    x = 7,801,865,110.00/97,988.88
  6. Step 6: Final answer
    x = 79,619.90

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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.