Home / 164,943.18-247,223.52-76,009.86

Finding the Fourth Proportional to 164,943.18, 247,223.52 and 76,009.86

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Solution

The fourth proportional to 164,943.18, 247,223.52 and 76,009.86 is: 113,926.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,943.18 : 247,223.52 = 76,009.86 : x
  2. Step 2: Convert to fraction form
    164,943.18/247,223.52 = 76,009.86/x
  3. Step 3: Cross multiply
    164,943.18x = 247,223.52 × 76,009.86
  4. Step 4: Simplify right side
    164,943.18x = 18,791,425,143.91
  5. Step 5: Solve for x
    x = 18,791,425,143.91/164,943.18
  6. Step 6: Final answer
    x = 113,926.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.