Home / 104,909.29-157,365.45-30,029.49

Finding the Fourth Proportional to 104,909.29, 157,365.45 and 30,029.49

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Solution

The fourth proportional to 104,909.29, 157,365.45 and 30,029.49 is: 45,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,909.29 : 157,365.45 = 30,029.49 : x
  2. Step 2: Convert to fraction form
    104,909.29/157,365.45 = 30,029.49/x
  3. Step 3: Cross multiply
    104,909.29x = 157,365.45 × 30,029.49
  4. Step 4: Simplify right side
    104,909.29x = 4,725,604,207.12
  5. Step 5: Solve for x
    x = 4,725,604,207.12/104,909.29
  6. Step 6: Final answer
    x = 45,044.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.