Home / 102,462.58-153,698.57-38,436.02

Finding the Fourth Proportional to 102,462.58, 153,698.57 and 38,436.02

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Solution

The fourth proportional to 102,462.58, 153,698.57 and 38,436.02 is: 57,655.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,462.58 : 153,698.57 = 38,436.02 : x
  2. Step 2: Convert to fraction form
    102,462.58/153,698.57 = 38,436.02/x
  3. Step 3: Cross multiply
    102,462.58x = 153,698.57 × 38,436.02
  4. Step 4: Simplify right side
    102,462.58x = 5,907,561,310.49
  5. Step 5: Solve for x
    x = 5,907,561,310.49/102,462.58
  6. Step 6: Final answer
    x = 57,655.79

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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.