Home / 130,140.95-195,208.72-41,394.65

Finding the Fourth Proportional to 130,140.95, 195,208.72 and 41,394.65

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Solution

The fourth proportional to 130,140.95, 195,208.72 and 41,394.65 is: 62,091.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,140.95 : 195,208.72 = 41,394.65 : x
  2. Step 2: Convert to fraction form
    130,140.95/195,208.72 = 41,394.65/x
  3. Step 3: Cross multiply
    130,140.95x = 195,208.72 × 41,394.65
  4. Step 4: Simplify right side
    130,140.95x = 8,080,595,561.82
  5. Step 5: Solve for x
    x = 8,080,595,561.82/130,140.95
  6. Step 6: Final answer
    x = 62,091.11

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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.