Home / 130,203.24-179,605.72-76,478.37

Finding the Fourth Proportional to 130,203.24, 179,605.72 and 76,478.37

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Solution

The fourth proportional to 130,203.24, 179,605.72 and 76,478.37 is: 105,496.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,203.24 : 179,605.72 = 76,478.37 : x
  2. Step 2: Convert to fraction form
    130,203.24/179,605.72 = 76,478.37/x
  3. Step 3: Cross multiply
    130,203.24x = 179,605.72 × 76,478.37
  4. Step 4: Simplify right side
    130,203.24x = 13,735,952,708.28
  5. Step 5: Solve for x
    x = 13,735,952,708.28/130,203.24
  6. Step 6: Final answer
    x = 105,496.24

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1.5x scale

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.