Home / 136,483.29-188,347.37-79,133.85

Finding the Fourth Proportional to 136,483.29, 188,347.37 and 79,133.85

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Solution

The fourth proportional to 136,483.29, 188,347.37 and 79,133.85 is: 109,204.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,483.29 : 188,347.37 = 79,133.85 : x
  2. Step 2: Convert to fraction form
    136,483.29/188,347.37 = 79,133.85/x
  3. Step 3: Cross multiply
    136,483.29x = 188,347.37 × 79,133.85
  4. Step 4: Simplify right side
    136,483.29x = 14,904,652,129.81
  5. Step 5: Solve for x
    x = 14,904,652,129.81/136,483.29
  6. Step 6: Final answer
    x = 109,204.96

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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.