Home / 132,143.09-182,357.58-71,713.74

Finding the Fourth Proportional to 132,143.09, 182,357.58 and 71,713.74

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Solution

The fourth proportional to 132,143.09, 182,357.58 and 71,713.74 is: 98,965.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,143.09 : 182,357.58 = 71,713.74 : x
  2. Step 2: Convert to fraction form
    132,143.09/182,357.58 = 71,713.74/x
  3. Step 3: Cross multiply
    132,143.09x = 182,357.58 × 71,713.74
  4. Step 4: Simplify right side
    132,143.09x = 13,077,545,031.92
  5. Step 5: Solve for x
    x = 13,077,545,031.92/132,143.09
  6. Step 6: Final answer
    x = 98,965.03

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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.