Home / 117,148.10-175,729.84-47,018.30

Finding the Fourth Proportional to 117,148.10, 175,729.84 and 47,018.30

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Solution

The fourth proportional to 117,148.10, 175,729.84 and 47,018.30 is: 70,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,148.10 : 175,729.84 = 47,018.30 : x
  2. Step 2: Convert to fraction form
    117,148.10/175,729.84 = 47,018.30/x
  3. Step 3: Cross multiply
    117,148.10x = 175,729.84 × 47,018.30
  4. Step 4: Simplify right side
    117,148.10x = 8,262,518,336.07
  5. Step 5: Solve for x
    x = 8,262,518,336.07/117,148.10
  6. Step 6: Final answer
    x = 70,530.54

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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.