Home / 134,785.11-186,000.48-74,355.81

Finding the Fourth Proportional to 134,785.11, 186,000.48 and 74,355.81

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Solution

The fourth proportional to 134,785.11, 186,000.48 and 74,355.81 is: 102,609.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,785.11 : 186,000.48 = 74,355.81 : x
  2. Step 2: Convert to fraction form
    134,785.11/186,000.48 = 74,355.81/x
  3. Step 3: Cross multiply
    134,785.11x = 186,000.48 × 74,355.81
  4. Step 4: Simplify right side
    134,785.11x = 13,830,216,350.79
  5. Step 5: Solve for x
    x = 13,830,216,350.79/134,785.11
  6. Step 6: Final answer
    x = 102,609.38

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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.