Home / 132,416.79-182,738.76-71,991.51

Finding the Fourth Proportional to 132,416.79, 182,738.76 and 71,991.51

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Solution

The fourth proportional to 132,416.79, 182,738.76 and 71,991.51 is: 99,350.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,416.79 : 182,738.76 = 71,991.51 : x
  2. Step 2: Convert to fraction form
    132,416.79/182,738.76 = 71,991.51/x
  3. Step 3: Cross multiply
    132,416.79x = 182,738.76 × 71,991.51
  4. Step 4: Simplify right side
    132,416.79x = 13,155,639,267.93
  5. Step 5: Solve for x
    x = 13,155,639,267.93/132,416.79
  6. Step 6: Final answer
    x = 99,350.24

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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.