Home / 97,066.56-145,594.08-57,108

Finding the Fourth Proportional to 97,066.56, 145,594.08 and 57,108

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Solution

The fourth proportional to 97,066.56, 145,594.08 and 57,108 is: 85,658.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,066.56 : 145,594.08 = 57,108 : x
  2. Step 2: Convert to fraction form
    97,066.56/145,594.08 = 57,108/x
  3. Step 3: Cross multiply
    97,066.56x = 145,594.08 × 57,108
  4. Step 4: Simplify right side
    97,066.56x = 8,314,586,720.64
  5. Step 5: Solve for x
    x = 8,314,586,720.64/97,066.56
  6. Step 6: Final answer
    x = 85,658.61

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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.