Home / 134,898.36-186,159.70-74,469

Finding the Fourth Proportional to 134,898.36, 186,159.70 and 74,469

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Solution

The fourth proportional to 134,898.36, 186,159.70 and 74,469 is: 102,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,898.36 : 186,159.70 = 74,469 : x
  2. Step 2: Convert to fraction form
    134,898.36/186,159.70 = 74,469/x
  3. Step 3: Cross multiply
    134,898.36x = 186,159.70 × 74,469
  4. Step 4: Simplify right side
    134,898.36x = 13,863,126,699.30
  5. Step 5: Solve for x
    x = 13,863,126,699.30/134,898.36
  6. Step 6: Final answer
    x = 102,767.20

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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.