Home / 136,441.86-188,303.55-76,022.34

Finding the Fourth Proportional to 136,441.86, 188,303.55 and 76,022.34

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Solution

The fourth proportional to 136,441.86, 188,303.55 and 76,022.34 is: 104,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,441.86 : 188,303.55 = 76,022.34 : x
  2. Step 2: Convert to fraction form
    136,441.86/188,303.55 = 76,022.34/x
  3. Step 3: Cross multiply
    136,441.86x = 188,303.55 × 76,022.34
  4. Step 4: Simplify right side
    136,441.86x = 14,315,276,501.31
  5. Step 5: Solve for x
    x = 14,315,276,501.31/136,441.86
  6. Step 6: Final answer
    x = 104,918.51

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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.