Home / 145,430.46-218,013.66-51,914.34

Finding the Fourth Proportional to 145,430.46, 218,013.66 and 51,914.34

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Solution

The fourth proportional to 145,430.46, 218,013.66 and 51,914.34 is: 77,824.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,430.46 : 218,013.66 = 51,914.34 : x
  2. Step 2: Convert to fraction form
    145,430.46/218,013.66 = 51,914.34/x
  3. Step 3: Cross multiply
    145,430.46x = 218,013.66 × 51,914.34
  4. Step 4: Simplify right side
    145,430.46x = 11,318,035,269.88
  5. Step 5: Solve for x
    x = 11,318,035,269.88/145,430.46
  6. Step 6: Final answer
    x = 77,824.38

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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.