Home / 132,309.15-182,602.35-78,594.45

Finding the Fourth Proportional to 132,309.15, 182,602.35 and 78,594.45

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Solution

The fourth proportional to 132,309.15, 182,602.35 and 78,594.45 is: 108,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,309.15 : 182,602.35 = 78,594.45 : x
  2. Step 2: Convert to fraction form
    132,309.15/182,602.35 = 78,594.45/x
  3. Step 3: Cross multiply
    132,309.15x = 182,602.35 × 78,594.45
  4. Step 4: Simplify right side
    132,309.15x = 14,351,531,266.96
  5. Step 5: Solve for x
    x = 14,351,531,266.96/132,309.15
  6. Step 6: Final answer
    x = 108,469.68

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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.