Home / 151,044.96-208,438.62-82,132.92

Finding the Fourth Proportional to 151,044.96, 208,438.62 and 82,132.92

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Solution

The fourth proportional to 151,044.96, 208,438.62 and 82,132.92 is: 113,341.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,044.96 : 208,438.62 = 82,132.92 : x
  2. Step 2: Convert to fraction form
    151,044.96/208,438.62 = 82,132.92/x
  3. Step 3: Cross multiply
    151,044.96x = 208,438.62 × 82,132.92
  4. Step 4: Simplify right side
    151,044.96x = 17,119,672,501.37
  5. Step 5: Solve for x
    x = 17,119,672,501.37/151,044.96
  6. Step 6: Final answer
    x = 113,341.57

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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.