Home / 164,911.10-247,366.65-145,211.90

Finding the Fourth Proportional to 164,911.10, 247,366.65 and 145,211.90

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Solution

The fourth proportional to 164,911.10, 247,366.65 and 145,211.90 is: 217,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,911.10 : 247,366.65 = 145,211.90 : x
  2. Step 2: Convert to fraction form
    164,911.10/247,366.65 = 145,211.90/x
  3. Step 3: Cross multiply
    164,911.10x = 247,366.65 × 145,211.90
  4. Step 4: Simplify right side
    164,911.10x = 35,920,581,243.14
  5. Step 5: Solve for x
    x = 35,920,581,243.14/164,911.10
  6. Step 6: Final answer
    x = 217,817.85

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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.