Home / 134,660.48-185,823.11-74,228

Finding the Fourth Proportional to 134,660.48, 185,823.11 and 74,228

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Solution

The fourth proportional to 134,660.48, 185,823.11 and 74,228 is: 102,430.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,660.48 : 185,823.11 = 74,228 : x
  2. Step 2: Convert to fraction form
    134,660.48/185,823.11 = 74,228/x
  3. Step 3: Cross multiply
    134,660.48x = 185,823.11 × 74,228
  4. Step 4: Simplify right side
    134,660.48x = 13,793,277,437.94
  5. Step 5: Solve for x
    x = 13,793,277,437.94/134,660.48
  6. Step 6: Final answer
    x = 102,430.03

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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.