Home / 140,591.34-210,622.16-69,430.70

Finding the Fourth Proportional to 140,591.34, 210,622.16 and 69,430.70

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Solution

The fourth proportional to 140,591.34, 210,622.16 and 69,430.70 is: 104,015.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,591.34 : 210,622.16 = 69,430.70 : x
  2. Step 2: Convert to fraction form
    140,591.34/210,622.16 = 69,430.70/x
  3. Step 3: Cross multiply
    140,591.34x = 210,622.16 × 69,430.70
  4. Step 4: Simplify right side
    140,591.34x = 14,623,644,704.44
  5. Step 5: Solve for x
    x = 14,623,644,704.44/140,591.34
  6. Step 6: Final answer
    x = 104,015.26

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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.