Home / 136,427.23-188,275.24-75,997.85

Finding the Fourth Proportional to 136,427.23, 188,275.24 and 75,997.85

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Solution

The fourth proportional to 136,427.23, 188,275.24 and 75,997.85 is: 104,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,427.23 : 188,275.24 = 75,997.85 : x
  2. Step 2: Convert to fraction form
    136,427.23/188,275.24 = 75,997.85/x
  3. Step 3: Cross multiply
    136,427.23x = 188,275.24 × 75,997.85
  4. Step 4: Simplify right side
    136,427.23x = 14,308,513,448.23
  5. Step 5: Solve for x
    x = 14,308,513,448.23/136,427.23
  6. Step 6: Final answer
    x = 104,880.19

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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.