Home / 132,417.56-182,739.77-71,992.28

Finding the Fourth Proportional to 132,417.56, 182,739.77 and 71,992.28

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Solution

The fourth proportional to 132,417.56, 182,739.77 and 71,992.28 is: 99,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,417.56 : 182,739.77 = 71,992.28 : x
  2. Step 2: Convert to fraction form
    132,417.56/182,739.77 = 71,992.28/x
  3. Step 3: Cross multiply
    132,417.56x = 182,739.77 × 71,992.28
  4. Step 4: Simplify right side
    132,417.56x = 13,155,852,688.98
  5. Step 5: Solve for x
    x = 13,155,852,688.98/132,417.56
  6. Step 6: Final answer
    x = 99,351.27

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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.