Home / 132,528.24-182,828.70-78,782.76

Finding the Fourth Proportional to 132,528.24, 182,828.70 and 78,782.76

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Solution

The fourth proportional to 132,528.24, 182,828.70 and 78,782.76 is: 108,684.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,528.24 : 182,828.70 = 78,782.76 : x
  2. Step 2: Convert to fraction form
    132,528.24/182,828.70 = 78,782.76/x
  3. Step 3: Cross multiply
    132,528.24x = 182,828.70 × 78,782.76
  4. Step 4: Simplify right side
    132,528.24x = 14,403,749,593.21
  5. Step 5: Solve for x
    x = 14,403,749,593.21/132,528.24
  6. Step 6: Final answer
    x = 108,684.38

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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.