Home / 136,624.74-188,537.13-76,194.42

Finding the Fourth Proportional to 136,624.74, 188,537.13 and 76,194.42

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Solution

The fourth proportional to 136,624.74, 188,537.13 and 76,194.42 is: 105,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,624.74 : 188,537.13 = 76,194.42 : x
  2. Step 2: Convert to fraction form
    136,624.74/188,537.13 = 76,194.42/x
  3. Step 3: Cross multiply
    136,624.74x = 188,537.13 × 76,194.42
  4. Step 4: Simplify right side
    136,624.74x = 14,365,477,268.81
  5. Step 5: Solve for x
    x = 14,365,477,268.81/136,624.74
  6. Step 6: Final answer
    x = 105,145.50

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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.