Home / 97,971.26-135,191.67-54,364.91

Finding the Fourth Proportional to 97,971.26, 135,191.67 and 54,364.91

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Solution

The fourth proportional to 97,971.26, 135,191.67 and 54,364.91 is: 75,018.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,971.26 : 135,191.67 = 54,364.91 : x
  2. Step 2: Convert to fraction form
    97,971.26/135,191.67 = 54,364.91/x
  3. Step 3: Cross multiply
    97,971.26x = 135,191.67 × 54,364.91
  4. Step 4: Simplify right side
    97,971.26x = 7,349,682,296.34
  5. Step 5: Solve for x
    x = 7,349,682,296.34/97,971.26
  6. Step 6: Final answer
    x = 75,018.76

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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.