Home / 202,346.82-279,238.67-111,702.85

Finding the Fourth Proportional to 202,346.82, 279,238.67 and 111,702.85

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Solution

The fourth proportional to 202,346.82, 279,238.67 and 111,702.85 is: 154,149.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,346.82 : 279,238.67 = 111,702.85 : x
  2. Step 2: Convert to fraction form
    202,346.82/279,238.67 = 111,702.85/x
  3. Step 3: Cross multiply
    202,346.82x = 279,238.67 × 111,702.85
  4. Step 4: Simplify right side
    202,346.82x = 31,191,754,117.32
  5. Step 5: Solve for x
    x = 31,191,754,117.32/202,346.82
  6. Step 6: Final answer
    x = 154,149.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.