Home / 195,640.79-293,453.47-69,275.93

Finding the Fourth Proportional to 195,640.79, 293,453.47 and 69,275.93

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Solution

The fourth proportional to 195,640.79, 293,453.47 and 69,275.93 is: 103,911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,640.79 : 293,453.47 = 69,275.93 : x
  2. Step 2: Convert to fraction form
    195,640.79/293,453.47 = 69,275.93/x
  3. Step 3: Cross multiply
    195,640.79x = 293,453.47 × 69,275.93
  4. Step 4: Simplify right side
    195,640.79x = 20,329,261,765.76
  5. Step 5: Solve for x
    x = 20,329,261,765.76/195,640.79
  6. Step 6: Final answer
    x = 103,911.16

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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.