Home / 97,615.48-134,716.23-55,174.33

Finding the Fourth Proportional to 97,615.48, 134,716.23 and 55,174.33

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Solution

The fourth proportional to 97,615.48, 134,716.23 and 55,174.33 is: 76,144.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,615.48 : 134,716.23 = 55,174.33 : x
  2. Step 2: Convert to fraction form
    97,615.48/134,716.23 = 55,174.33/x
  3. Step 3: Cross multiply
    97,615.48x = 134,716.23 × 55,174.33
  4. Step 4: Simplify right side
    97,615.48x = 7,432,877,730.38
  5. Step 5: Solve for x
    x = 7,432,877,730.38/97,615.48
  6. Step 6: Final answer
    x = 76,144.46

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1.5x scale

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.