Home / 205,156.70-307,427.85-173,822.30

Finding the Fourth Proportional to 205,156.70, 307,427.85 and 173,822.30

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Solution

The fourth proportional to 205,156.70, 307,427.85 and 173,822.30 is: 260,473.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,156.70 : 307,427.85 = 173,822.30 : x
  2. Step 2: Convert to fraction form
    205,156.70/307,427.85 = 173,822.30/x
  3. Step 3: Cross multiply
    205,156.70x = 307,427.85 × 173,822.30
  4. Step 4: Simplify right side
    205,156.70x = 53,437,815,971.06
  5. Step 5: Solve for x
    x = 53,437,815,971.06/205,156.70
  6. Step 6: Final answer
    x = 260,473.17

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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.