Home / 132,784.13-199,307.42-70,454.63

Finding the Fourth Proportional to 132,784.13, 199,307.42 and 70,454.63

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Solution

The fourth proportional to 132,784.13, 199,307.42 and 70,454.63 is: 105,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,784.13 : 199,307.42 = 70,454.63 : x
  2. Step 2: Convert to fraction form
    132,784.13/199,307.42 = 70,454.63/x
  3. Step 3: Cross multiply
    132,784.13x = 199,307.42 × 70,454.63
  4. Step 4: Simplify right side
    132,784.13x = 14,042,129,183.54
  5. Step 5: Solve for x
    x = 14,042,129,183.54/132,784.13
  6. Step 6: Final answer
    x = 105,751.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.