Home / 140,038.26-209,869.76-131,070.18

Finding the Fourth Proportional to 140,038.26, 209,869.76 and 131,070.18

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Solution

The fourth proportional to 140,038.26, 209,869.76 and 131,070.18 is: 196,429.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,038.26 : 209,869.76 = 131,070.18 : x
  2. Step 2: Convert to fraction form
    140,038.26/209,869.76 = 131,070.18/x
  3. Step 3: Cross multiply
    140,038.26x = 209,869.76 × 131,070.18
  4. Step 4: Simplify right side
    140,038.26x = 27,507,667,219.76
  5. Step 5: Solve for x
    x = 27,507,667,219.76/140,038.26
  6. Step 6: Final answer
    x = 196,429.66

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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.