Home / 259,847.46-389,702.34-102,077.28

Finding the Fourth Proportional to 259,847.46, 389,702.34 and 102,077.28

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Solution

The fourth proportional to 259,847.46, 389,702.34 and 102,077.28 is: 153,088.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,847.46 : 389,702.34 = 102,077.28 : x
  2. Step 2: Convert to fraction form
    259,847.46/389,702.34 = 102,077.28/x
  3. Step 3: Cross multiply
    259,847.46x = 389,702.34 × 102,077.28
  4. Step 4: Simplify right side
    259,847.46x = 39,779,754,876.84
  5. Step 5: Solve for x
    x = 39,779,754,876.84/259,847.46
  6. Step 6: Final answer
    x = 153,088.87

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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.