Home / 115,293.72-173,048.40-71,006.88

Finding the Fourth Proportional to 115,293.72, 173,048.40 and 71,006.88

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Solution

The fourth proportional to 115,293.72, 173,048.40 and 71,006.88 is: 106,576.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,293.72 : 173,048.40 = 71,006.88 : x
  2. Step 2: Convert to fraction form
    115,293.72/173,048.40 = 71,006.88/x
  3. Step 3: Cross multiply
    115,293.72x = 173,048.40 × 71,006.88
  4. Step 4: Simplify right side
    115,293.72x = 12,287,626,972.99
  5. Step 5: Solve for x
    x = 12,287,626,972.99/115,293.72
  6. Step 6: Final answer
    x = 106,576.72

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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.