Home / 145,531.41-218,333.45-50,762.97

Finding the Fourth Proportional to 145,531.41, 218,333.45 and 50,762.97

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Solution

The fourth proportional to 145,531.41, 218,333.45 and 50,762.97 is: 76,157.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,531.41 : 218,333.45 = 50,762.97 : x
  2. Step 2: Convert to fraction form
    145,531.41/218,333.45 = 50,762.97/x
  3. Step 3: Cross multiply
    145,531.41x = 218,333.45 × 50,762.97
  4. Step 4: Simplify right side
    145,531.41x = 11,083,254,372.35
  5. Step 5: Solve for x
    x = 11,083,254,372.35/145,531.41
  6. Step 6: Final answer
    x = 76,157.13

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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.