Home / 123,739.95-185,633.01-57,136.08

Finding the Fourth Proportional to 123,739.95, 185,633.01 and 57,136.08

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Solution

The fourth proportional to 123,739.95, 185,633.01 and 57,136.08 is: 85,714.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,739.95 : 185,633.01 = 57,136.08 : x
  2. Step 2: Convert to fraction form
    123,739.95/185,633.01 = 57,136.08/x
  3. Step 3: Cross multiply
    123,739.95x = 185,633.01 × 57,136.08
  4. Step 4: Simplify right side
    123,739.95x = 10,606,342,510.00
  5. Step 5: Solve for x
    x = 10,606,342,510.00/123,739.95
  6. Step 6: Final answer
    x = 85,714.78

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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.