Home / 134,830.00-186,065.25-74,400.62

Finding the Fourth Proportional to 134,830.00, 186,065.25 and 74,400.62

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Solution

The fourth proportional to 134,830.00, 186,065.25 and 74,400.62 is: 102,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,830.00 : 186,065.25 = 74,400.62 : x
  2. Step 2: Convert to fraction form
    134,830.00/186,065.25 = 74,400.62/x
  3. Step 3: Cross multiply
    134,830.00x = 186,065.25 × 74,400.62
  4. Step 4: Simplify right side
    134,830.00x = 13,843,369,960.46
  5. Step 5: Solve for x
    x = 13,843,369,960.46/134,830.00
  6. Step 6: Final answer
    x = 102,672.78

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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.