Home / 123,495.27-170,421.25-69,779.14

Finding the Fourth Proportional to 123,495.27, 170,421.25 and 69,779.14

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Solution

The fourth proportional to 123,495.27, 170,421.25 and 69,779.14 is: 96,293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,495.27 : 170,421.25 = 69,779.14 : x
  2. Step 2: Convert to fraction form
    123,495.27/170,421.25 = 69,779.14/x
  3. Step 3: Cross multiply
    123,495.27x = 170,421.25 × 69,779.14
  4. Step 4: Simplify right side
    123,495.27x = 11,891,847,410.62
  5. Step 5: Solve for x
    x = 11,891,847,410.62/123,495.27
  6. Step 6: Final answer
    x = 96,293.95

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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.