Home / 134,834.83-186,075.78-74,410.06

Finding the Fourth Proportional to 134,834.83, 186,075.78 and 74,410.06

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Solution

The fourth proportional to 134,834.83, 186,075.78 and 74,410.06 is: 102,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,834.83 : 186,075.78 = 74,410.06 : x
  2. Step 2: Convert to fraction form
    134,834.83/186,075.78 = 74,410.06/x
  3. Step 3: Cross multiply
    134,834.83x = 186,075.78 × 74,410.06
  4. Step 4: Simplify right side
    134,834.83x = 13,845,909,977.57
  5. Step 5: Solve for x
    x = 13,845,909,977.57/134,834.83
  6. Step 6: Final answer
    x = 102,687.93

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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.