Home / 136,430.34-186,910.44-131,316.84

Finding the Fourth Proportional to 136,430.34, 186,910.44 and 131,316.84

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Solution

The fourth proportional to 136,430.34, 186,910.44 and 131,316.84 is: 179,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,430.34 : 186,910.44 = 131,316.84 : x
  2. Step 2: Convert to fraction form
    136,430.34/186,910.44 = 131,316.84/x
  3. Step 3: Cross multiply
    136,430.34x = 186,910.44 × 131,316.84
  4. Step 4: Simplify right side
    136,430.34x = 24,544,488,343.81
  5. Step 5: Solve for x
    x = 24,544,488,343.81/136,430.34
  6. Step 6: Final answer
    x = 179,904.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.