Home / 123,383.08-185,113.50-53,295.40

Finding the Fourth Proportional to 123,383.08, 185,113.50 and 53,295.40

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Solution

The fourth proportional to 123,383.08, 185,113.50 and 53,295.40 is: 79,959.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,383.08 : 185,113.50 = 53,295.40 : x
  2. Step 2: Convert to fraction form
    123,383.08/185,113.50 = 53,295.40/x
  3. Step 3: Cross multiply
    123,383.08x = 185,113.50 × 53,295.40
  4. Step 4: Simplify right side
    123,383.08x = 9,865,698,027.90
  5. Step 5: Solve for x
    x = 9,865,698,027.90/123,383.08
  6. Step 6: Final answer
    x = 79,959.89

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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.