Home / 205,132.32-307,508.40-105,072.24

Finding the Fourth Proportional to 205,132.32, 307,508.40 and 105,072.24

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Solution

The fourth proportional to 205,132.32, 307,508.40 and 105,072.24 is: 157,511.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,132.32 : 307,508.40 = 105,072.24 : x
  2. Step 2: Convert to fraction form
    205,132.32/307,508.40 = 105,072.24/x
  3. Step 3: Cross multiply
    205,132.32x = 307,508.40 × 105,072.24
  4. Step 4: Simplify right side
    205,132.32x = 32,310,596,406.82
  5. Step 5: Solve for x
    x = 32,310,596,406.82/205,132.32
  6. Step 6: Final answer
    x = 157,511.00

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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.