Home / 97,087.14-134,021.72-65,274.50

Finding the Fourth Proportional to 97,087.14, 134,021.72 and 65,274.50

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Solution

The fourth proportional to 97,087.14, 134,021.72 and 65,274.50 is: 90,106.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,087.14 : 134,021.72 = 65,274.50 : x
  2. Step 2: Convert to fraction form
    97,087.14/134,021.72 = 65,274.50/x
  3. Step 3: Cross multiply
    97,087.14x = 134,021.72 × 65,274.50
  4. Step 4: Simplify right side
    97,087.14x = 8,748,200,762.14
  5. Step 5: Solve for x
    x = 8,748,200,762.14/97,087.14
  6. Step 6: Final answer
    x = 90,106.69

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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.