Home / 114,447.47-171,640.01-47,876.81

Finding the Fourth Proportional to 114,447.47, 171,640.01 and 47,876.81

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Solution

The fourth proportional to 114,447.47, 171,640.01 and 47,876.81 is: 71,802.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,447.47 : 171,640.01 = 47,876.81 : x
  2. Step 2: Convert to fraction form
    114,447.47/171,640.01 = 47,876.81/x
  3. Step 3: Cross multiply
    114,447.47x = 171,640.01 × 47,876.81
  4. Step 4: Simplify right side
    114,447.47x = 8,217,575,408.66
  5. Step 5: Solve for x
    x = 8,217,575,408.66/114,447.47
  6. Step 6: Final answer
    x = 71,802.16

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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.