Home / 130,203.48-179,679.24-76,493.40

Finding the Fourth Proportional to 130,203.48, 179,679.24 and 76,493.40

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Solution

The fourth proportional to 130,203.48, 179,679.24 and 76,493.40 is: 105,559.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,203.48 : 179,679.24 = 76,493.40 : x
  2. Step 2: Convert to fraction form
    130,203.48/179,679.24 = 76,493.40/x
  3. Step 3: Cross multiply
    130,203.48x = 179,679.24 × 76,493.40
  4. Step 4: Simplify right side
    130,203.48x = 13,744,275,977.02
  5. Step 5: Solve for x
    x = 13,744,275,977.02/130,203.48
  6. Step 6: Final answer
    x = 105,559.97

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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.