Home / 134,324.30-185,334-86,520.12

Finding the Fourth Proportional to 134,324.30, 185,334 and 86,520.12

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Solution

The fourth proportional to 134,324.30, 185,334 and 86,520.12 is: 119,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,324.30 : 185,334 = 86,520.12 : x
  2. Step 2: Convert to fraction form
    134,324.30/185,334 = 86,520.12/x
  3. Step 3: Cross multiply
    134,324.30x = 185,334 × 86,520.12
  4. Step 4: Simplify right side
    134,324.30x = 16,035,119,920.08
  5. Step 5: Solve for x
    x = 16,035,119,920.08/134,324.30
  6. Step 6: Final answer
    x = 119,376.17

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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.