Home / 123,558.55-170,508.95-69,841.68

Finding the Fourth Proportional to 123,558.55, 170,508.95 and 69,841.68

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Solution

The fourth proportional to 123,558.55, 170,508.95 and 69,841.68 is: 96,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,558.55 : 170,508.95 = 69,841.68 : x
  2. Step 2: Convert to fraction form
    123,558.55/170,508.95 = 69,841.68/x
  3. Step 3: Cross multiply
    123,558.55x = 170,508.95 × 69,841.68
  4. Step 4: Simplify right side
    123,558.55x = 11,908,630,796.33
  5. Step 5: Solve for x
    x = 11,908,630,796.33/123,558.55
  6. Step 6: Final answer
    x = 96,380.47

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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.