Home / 148,387.64-204,785.00-83,834.49

Finding the Fourth Proportional to 148,387.64, 204,785.00 and 83,834.49

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Solution

The fourth proportional to 148,387.64, 204,785.00 and 83,834.49 is: 115,697.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,387.64 : 204,785.00 = 83,834.49 : x
  2. Step 2: Convert to fraction form
    148,387.64/204,785.00 = 83,834.49/x
  3. Step 3: Cross multiply
    148,387.64x = 204,785.00 × 83,834.49
  4. Step 4: Simplify right side
    148,387.64x = 17,168,045,615.48
  5. Step 5: Solve for x
    x = 17,168,045,615.48/148,387.64
  6. Step 6: Final answer
    x = 115,697.28

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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.