Home / 178,119.63-245,819.16-101,621.16

Finding the Fourth Proportional to 178,119.63, 245,819.16 and 101,621.16

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Solution

The fourth proportional to 178,119.63, 245,819.16 and 101,621.16 is: 140,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,119.63 : 245,819.16 = 101,621.16 : x
  2. Step 2: Convert to fraction form
    178,119.63/245,819.16 = 101,621.16/x
  3. Step 3: Cross multiply
    178,119.63x = 245,819.16 × 101,621.16
  4. Step 4: Simplify right side
    178,119.63x = 24,980,428,189.43
  5. Step 5: Solve for x
    x = 24,980,428,189.43/178,119.63
  6. Step 6: Final answer
    x = 140,245.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.