Home / 208,027.10-312,040.65-124,046.30

Finding the Fourth Proportional to 208,027.10, 312,040.65 and 124,046.30

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Solution

The fourth proportional to 208,027.10, 312,040.65 and 124,046.30 is: 186,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,027.10 : 312,040.65 = 124,046.30 : x
  2. Step 2: Convert to fraction form
    208,027.10/312,040.65 = 124,046.30/x
  3. Step 3: Cross multiply
    208,027.10x = 312,040.65 × 124,046.30
  4. Step 4: Simplify right side
    208,027.10x = 38,707,488,082.10
  5. Step 5: Solve for x
    x = 38,707,488,082.10/208,027.10
  6. Step 6: Final answer
    x = 186,069.45

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1.5x scale

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.