Home / 138,045.64-207,073.04-38,197.48

Finding the Fourth Proportional to 138,045.64, 207,073.04 and 38,197.48

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Solution

The fourth proportional to 138,045.64, 207,073.04 and 38,197.48 is: 57,297.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,045.64 : 207,073.04 = 38,197.48 : x
  2. Step 2: Convert to fraction form
    138,045.64/207,073.04 = 38,197.48/x
  3. Step 3: Cross multiply
    138,045.64x = 207,073.04 × 38,197.48
  4. Step 4: Simplify right side
    138,045.64x = 7,909,668,303.94
  5. Step 5: Solve for x
    x = 7,909,668,303.94/138,045.64
  6. Step 6: Final answer
    x = 57,297.49

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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.