Home / 134,816.49-186,047.77-74,389.37

Finding the Fourth Proportional to 134,816.49, 186,047.77 and 74,389.37

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Solution

The fourth proportional to 134,816.49, 186,047.77 and 74,389.37 is: 102,657.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,816.49 : 186,047.77 = 74,389.37 : x
  2. Step 2: Convert to fraction form
    134,816.49/186,047.77 = 74,389.37/x
  3. Step 3: Cross multiply
    134,816.49x = 186,047.77 × 74,389.37
  4. Step 4: Simplify right side
    134,816.49x = 13,839,976,400.20
  5. Step 5: Solve for x
    x = 13,839,976,400.20/134,816.49
  6. Step 6: Final answer
    x = 102,657.89

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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.