Home / 115,005.72-172,450.24-52,622.76

Finding the Fourth Proportional to 115,005.72, 172,450.24 and 52,622.76

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Solution

The fourth proportional to 115,005.72, 172,450.24 and 52,622.76 is: 78,907.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,005.72 : 172,450.24 = 52,622.76 : x
  2. Step 2: Convert to fraction form
    115,005.72/172,450.24 = 52,622.76/x
  3. Step 3: Cross multiply
    115,005.72x = 172,450.24 × 52,622.76
  4. Step 4: Simplify right side
    115,005.72x = 9,074,807,591.46
  5. Step 5: Solve for x
    x = 9,074,807,591.46/115,005.72
  6. Step 6: Final answer
    x = 78,907.45

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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.