Home / 97,899.18-135,107.55-55,458.06

Finding the Fourth Proportional to 97,899.18, 135,107.55 and 55,458.06

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Solution

The fourth proportional to 97,899.18, 135,107.55 and 55,458.06 is: 76,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,899.18 : 135,107.55 = 55,458.06 : x
  2. Step 2: Convert to fraction form
    97,899.18/135,107.55 = 55,458.06/x
  3. Step 3: Cross multiply
    97,899.18x = 135,107.55 × 55,458.06
  4. Step 4: Simplify right side
    97,899.18x = 7,492,802,614.35
  5. Step 5: Solve for x
    x = 7,492,802,614.35/97,899.18
  6. Step 6: Final answer
    x = 76,535.91

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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.