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Finding the Fourth Proportional to 145,737.36, 218,606.04 and 40,564.53

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Solution

The fourth proportional to 145,737.36, 218,606.04 and 40,564.53 is: 60,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,737.36 : 218,606.04 = 40,564.53 : x
  2. Step 2: Convert to fraction form
    145,737.36/218,606.04 = 40,564.53/x
  3. Step 3: Cross multiply
    145,737.36x = 218,606.04 × 40,564.53
  4. Step 4: Simplify right side
    145,737.36x = 8,867,651,267.76
  5. Step 5: Solve for x
    x = 8,867,651,267.76/145,737.36
  6. Step 6: Final answer
    x = 60,846.80

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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.