Home / 123,366.08-185,106.40-39,139.52

Finding the Fourth Proportional to 123,366.08, 185,106.40 and 39,139.52

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Solution

The fourth proportional to 123,366.08, 185,106.40 and 39,139.52 is: 58,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,366.08 : 185,106.40 = 39,139.52 : x
  2. Step 2: Convert to fraction form
    123,366.08/185,106.40 = 39,139.52/x
  3. Step 3: Cross multiply
    123,366.08x = 185,106.40 × 39,139.52
  4. Step 4: Simplify right side
    123,366.08x = 7,244,975,644.93
  5. Step 5: Solve for x
    x = 7,244,975,644.93/123,366.08
  6. Step 6: Final answer
    x = 58,727.45

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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.