Home / 151,397.05-208,926.92-83,412.48

Finding the Fourth Proportional to 151,397.05, 208,926.92 and 83,412.48

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Solution

The fourth proportional to 151,397.05, 208,926.92 and 83,412.48 is: 115,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,397.05 : 208,926.92 = 83,412.48 : x
  2. Step 2: Convert to fraction form
    151,397.05/208,926.92 = 83,412.48/x
  3. Step 3: Cross multiply
    151,397.05x = 208,926.92 × 83,412.48
  4. Step 4: Simplify right side
    151,397.05x = 17,427,113,293.37
  5. Step 5: Solve for x
    x = 17,427,113,293.37/151,397.05
  6. Step 6: Final answer
    x = 115,108.67

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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.