Home / 122,758.02-184,139.49-38,516.40

Finding the Fourth Proportional to 122,758.02, 184,139.49 and 38,516.40

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Solution

The fourth proportional to 122,758.02, 184,139.49 and 38,516.40 is: 57,775.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,758.02 : 184,139.49 = 38,516.40 : x
  2. Step 2: Convert to fraction form
    122,758.02/184,139.49 = 38,516.40/x
  3. Step 3: Cross multiply
    122,758.02x = 184,139.49 × 38,516.40
  4. Step 4: Simplify right side
    122,758.02x = 7,092,390,252.64
  5. Step 5: Solve for x
    x = 7,092,390,252.64/122,758.02
  6. Step 6: Final answer
    x = 57,775.37

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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.