Home / 136,378.04-188,201.49-75,953.93

Finding the Fourth Proportional to 136,378.04, 188,201.49 and 75,953.93

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Solution

The fourth proportional to 136,378.04, 188,201.49 and 75,953.93 is: 104,816.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,378.04 : 188,201.49 = 75,953.93 : x
  2. Step 2: Convert to fraction form
    136,378.04/188,201.49 = 75,953.93/x
  3. Step 3: Cross multiply
    136,378.04x = 188,201.49 × 75,953.93
  4. Step 4: Simplify right side
    136,378.04x = 14,294,642,797.36
  5. Step 5: Solve for x
    x = 14,294,642,797.36/136,378.04
  6. Step 6: Final answer
    x = 104,816.31

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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.