Home / 66,178.19-99,267.29-19,463.87

Finding the Fourth Proportional to 66,178.19, 99,267.29 and 19,463.87

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Solution

The fourth proportional to 66,178.19, 99,267.29 and 19,463.87 is: 29,195.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,178.19 : 99,267.29 = 19,463.87 : x
  2. Step 2: Convert to fraction form
    66,178.19/99,267.29 = 19,463.87/x
  3. Step 3: Cross multiply
    66,178.19x = 99,267.29 × 19,463.87
  4. Step 4: Simplify right side
    66,178.19x = 1,932,125,627.81
  5. Step 5: Solve for x
    x = 1,932,125,627.81/66,178.19
  6. Step 6: Final answer
    x = 29,195.81

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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.