Home / 136,415.10-204,622.65-69,833.10

Finding the Fourth Proportional to 136,415.10, 204,622.65 and 69,833.10

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Solution

The fourth proportional to 136,415.10, 204,622.65 and 69,833.10 is: 104,749.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,415.10 : 204,622.65 = 69,833.10 : x
  2. Step 2: Convert to fraction form
    136,415.10/204,622.65 = 69,833.10/x
  3. Step 3: Cross multiply
    136,415.10x = 204,622.65 × 69,833.10
  4. Step 4: Simplify right side
    136,415.10x = 14,289,433,979.72
  5. Step 5: Solve for x
    x = 14,289,433,979.72/136,415.10
  6. Step 6: Final answer
    x = 104,749.65

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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.