Home / 125,429.76-173,095.04-68,846.40

Finding the Fourth Proportional to 125,429.76, 173,095.04 and 68,846.40

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Solution

The fourth proportional to 125,429.76, 173,095.04 and 68,846.40 is: 95,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,429.76 : 173,095.04 = 68,846.40 : x
  2. Step 2: Convert to fraction form
    125,429.76/173,095.04 = 68,846.40/x
  3. Step 3: Cross multiply
    125,429.76x = 173,095.04 × 68,846.40
  4. Step 4: Simplify right side
    125,429.76x = 11,916,970,361.86
  5. Step 5: Solve for x
    x = 11,916,970,361.86/125,429.76
  6. Step 6: Final answer
    x = 95,009.11

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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.