Home / 145,905.53-218,956.77-57,148.02

Finding the Fourth Proportional to 145,905.53, 218,956.77 and 57,148.02

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Solution

The fourth proportional to 145,905.53, 218,956.77 and 57,148.02 is: 85,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,905.53 : 218,956.77 = 57,148.02 : x
  2. Step 2: Convert to fraction form
    145,905.53/218,956.77 = 57,148.02/x
  3. Step 3: Cross multiply
    145,905.53x = 218,956.77 × 57,148.02
  4. Step 4: Simplify right side
    145,905.53x = 12,512,945,871.10
  5. Step 5: Solve for x
    x = 12,512,945,871.10/145,905.53
  6. Step 6: Final answer
    x = 85,760.60

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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.