Home / 132,346.75-182,638.52-72,730.75

Finding the Fourth Proportional to 132,346.75, 182,638.52 and 72,730.75

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Solution

The fourth proportional to 132,346.75, 182,638.52 and 72,730.75 is: 100,368.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,346.75 : 182,638.52 = 72,730.75 : x
  2. Step 2: Convert to fraction form
    132,346.75/182,638.52 = 72,730.75/x
  3. Step 3: Cross multiply
    132,346.75x = 182,638.52 × 72,730.75
  4. Step 4: Simplify right side
    132,346.75x = 13,283,436,538.49
  5. Step 5: Solve for x
    x = 13,283,436,538.49/132,346.75
  6. Step 6: Final answer
    x = 100,368.44

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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.