Home / 147,830.96-204,006.94-84,168.81

Finding the Fourth Proportional to 147,830.96, 204,006.94 and 84,168.81

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Solution

The fourth proportional to 147,830.96, 204,006.94 and 84,168.81 is: 116,153.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,830.96 : 204,006.94 = 84,168.81 : x
  2. Step 2: Convert to fraction form
    147,830.96/204,006.94 = 84,168.81/x
  3. Step 3: Cross multiply
    147,830.96x = 204,006.94 × 84,168.81
  4. Step 4: Simplify right side
    147,830.96x = 17,171,021,161.12
  5. Step 5: Solve for x
    x = 17,171,021,161.12/147,830.96
  6. Step 6: Final answer
    x = 116,153.08

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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.