Home / 97,318.72-145,871.40-38,089.36

Finding the Fourth Proportional to 97,318.72, 145,871.40 and 38,089.36

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Solution

The fourth proportional to 97,318.72, 145,871.40 and 38,089.36 is: 57,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,318.72 : 145,871.40 = 38,089.36 : x
  2. Step 2: Convert to fraction form
    97,318.72/145,871.40 = 38,089.36/x
  3. Step 3: Cross multiply
    97,318.72x = 145,871.40 × 38,089.36
  4. Step 4: Simplify right side
    97,318.72x = 5,556,148,268.30
  5. Step 5: Solve for x
    x = 5,556,148,268.30/97,318.72
  6. Step 6: Final answer
    x = 57,092.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.