Home / 102,197.49-153,289.90-38,143.16

Finding the Fourth Proportional to 102,197.49, 153,289.90 and 38,143.16

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Solution

The fourth proportional to 102,197.49, 153,289.90 and 38,143.16 is: 57,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,197.49 : 153,289.90 = 38,143.16 : x
  2. Step 2: Convert to fraction form
    102,197.49/153,289.90 = 38,143.16/x
  3. Step 3: Cross multiply
    102,197.49x = 153,289.90 × 38,143.16
  4. Step 4: Simplify right side
    102,197.49x = 5,846,961,182.08
  5. Step 5: Solve for x
    x = 5,846,961,182.08/102,197.49
  6. Step 6: Final answer
    x = 57,212.38

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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.