Home / 145,489.60-218,233.50-37,418.56

Finding the Fourth Proportional to 145,489.60, 218,233.50 and 37,418.56

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Solution

The fourth proportional to 145,489.60, 218,233.50 and 37,418.56 is: 56,127.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,489.60 : 218,233.50 = 37,418.56 : x
  2. Step 2: Convert to fraction form
    145,489.60/218,233.50 = 37,418.56/x
  3. Step 3: Cross multiply
    145,489.60x = 218,233.50 × 37,418.56
  4. Step 4: Simplify right side
    145,489.60x = 8,165,983,313.76
  5. Step 5: Solve for x
    x = 8,165,983,313.76/145,489.60
  6. Step 6: Final answer
    x = 56,127.61

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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.