Home / 148,343.04-204,730.56-84,690

Finding the Fourth Proportional to 148,343.04, 204,730.56 and 84,690

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Solution

The fourth proportional to 148,343.04, 204,730.56 and 84,690 is: 116,882.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,343.04 : 204,730.56 = 84,690 : x
  2. Step 2: Convert to fraction form
    148,343.04/204,730.56 = 84,690/x
  3. Step 3: Cross multiply
    148,343.04x = 204,730.56 × 84,690
  4. Step 4: Simplify right side
    148,343.04x = 17,338,631,126.40
  5. Step 5: Solve for x
    x = 17,338,631,126.40/148,343.04
  6. Step 6: Final answer
    x = 116,882.00

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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.