Home / 153,650.52-230,507.10-87,120.36

Finding the Fourth Proportional to 153,650.52, 230,507.10 and 87,120.36

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Solution

The fourth proportional to 153,650.52, 230,507.10 and 87,120.36 is: 130,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,650.52 : 230,507.10 = 87,120.36 : x
  2. Step 2: Convert to fraction form
    153,650.52/230,507.10 = 87,120.36/x
  3. Step 3: Cross multiply
    153,650.52x = 230,507.10 × 87,120.36
  4. Step 4: Simplify right side
    153,650.52x = 20,081,861,534.56
  5. Step 5: Solve for x
    x = 20,081,861,534.56/153,650.52
  6. Step 6: Final answer
    x = 130,698.30

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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.