Home / 136,004.05-187,681.84-75,573.13

Finding the Fourth Proportional to 136,004.05, 187,681.84 and 75,573.13

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Solution

The fourth proportional to 136,004.05, 187,681.84 and 75,573.13 is: 104,288.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,004.05 : 187,681.84 = 75,573.13 : x
  2. Step 2: Convert to fraction form
    136,004.05/187,681.84 = 75,573.13/x
  3. Step 3: Cross multiply
    136,004.05x = 187,681.84 × 75,573.13
  4. Step 4: Simplify right side
    136,004.05x = 14,183,704,092.96
  5. Step 5: Solve for x
    x = 14,183,704,092.96/136,004.05
  6. Step 6: Final answer
    x = 104,288.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.