Home / 136,478.33-188,338.18-76,051.52

Finding the Fourth Proportional to 136,478.33, 188,338.18 and 76,051.52

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Solution

The fourth proportional to 136,478.33, 188,338.18 and 76,051.52 is: 104,950.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,478.33 : 188,338.18 = 76,051.52 : x
  2. Step 2: Convert to fraction form
    136,478.33/188,338.18 = 76,051.52/x
  3. Step 3: Cross multiply
    136,478.33x = 188,338.18 × 76,051.52
  4. Step 4: Simplify right side
    136,478.33x = 14,323,404,863.03
  5. Step 5: Solve for x
    x = 14,323,404,863.03/136,478.33
  6. Step 6: Final answer
    x = 104,950.03

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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.