Home / 98,723.56-136,241.64-54,011.56

Finding the Fourth Proportional to 98,723.56, 136,241.64 and 54,011.56

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Solution

The fourth proportional to 98,723.56, 136,241.64 and 54,011.56 is: 74,537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,723.56 : 136,241.64 = 54,011.56 : x
  2. Step 2: Convert to fraction form
    98,723.56/136,241.64 = 54,011.56/x
  3. Step 3: Cross multiply
    98,723.56x = 136,241.64 × 54,011.56
  4. Step 4: Simplify right side
    98,723.56x = 7,358,623,513.36
  5. Step 5: Solve for x
    x = 7,358,623,513.36/98,723.56
  6. Step 6: Final answer
    x = 74,537.66

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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.