Home / 130,029.27-179,453.31-76,313.13

Finding the Fourth Proportional to 130,029.27, 179,453.31 and 76,313.13

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Solution

The fourth proportional to 130,029.27, 179,453.31 and 76,313.13 is: 105,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,029.27 : 179,453.31 = 76,313.13 : x
  2. Step 2: Convert to fraction form
    130,029.27/179,453.31 = 76,313.13/x
  3. Step 3: Cross multiply
    130,029.27x = 179,453.31 × 76,313.13
  4. Step 4: Simplify right side
    130,029.27x = 13,694,643,774.96
  5. Step 5: Solve for x
    x = 13,694,643,774.96/130,029.27
  6. Step 6: Final answer
    x = 105,319.70

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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.