Home / 145,490.60-218,235-37,419.56

Finding the Fourth Proportional to 145,490.60, 218,235 and 37,419.56

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Solution

The fourth proportional to 145,490.60, 218,235 and 37,419.56 is: 56,129.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,490.60 : 218,235 = 37,419.56 : x
  2. Step 2: Convert to fraction form
    145,490.60/218,235 = 37,419.56/x
  3. Step 3: Cross multiply
    145,490.60x = 218,235 × 37,419.56
  4. Step 4: Simplify right side
    145,490.60x = 8,166,257,676.60
  5. Step 5: Solve for x
    x = 8,166,257,676.60/145,490.60
  6. Step 6: Final answer
    x = 56,129.11

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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.