Home / 140,985.40-211,487.70-41,145.40

Finding the Fourth Proportional to 140,985.40, 211,487.70 and 41,145.40

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Solution

The fourth proportional to 140,985.40, 211,487.70 and 41,145.40 is: 61,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,985.40 : 211,487.70 = 41,145.40 : x
  2. Step 2: Convert to fraction form
    140,985.40/211,487.70 = 41,145.40/x
  3. Step 3: Cross multiply
    140,985.40x = 211,487.70 × 41,145.40
  4. Step 4: Simplify right side
    140,985.40x = 8,701,746,011.58
  5. Step 5: Solve for x
    x = 8,701,746,011.58/140,985.40
  6. Step 6: Final answer
    x = 61,720.90

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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.