Home / 97,461.36-134,497.78-57,175.81

Finding the Fourth Proportional to 97,461.36, 134,497.78 and 57,175.81

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Solution

The fourth proportional to 97,461.36, 134,497.78 and 57,175.81 is: 78,903.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,461.36 : 134,497.78 = 57,175.81 : x
  2. Step 2: Convert to fraction form
    97,461.36/134,497.78 = 57,175.81/x
  3. Step 3: Cross multiply
    97,461.36x = 134,497.78 × 57,175.81
  4. Step 4: Simplify right side
    97,461.36x = 7,690,019,035.52
  5. Step 5: Solve for x
    x = 7,690,019,035.52/97,461.36
  6. Step 6: Final answer
    x = 78,903.26

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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.