Home / 97,784.48-146,653.22-45,143.40

Finding the Fourth Proportional to 97,784.48, 146,653.22 and 45,143.40

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Solution

The fourth proportional to 97,784.48, 146,653.22 and 45,143.40 is: 67,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,784.48 : 146,653.22 = 45,143.40 : x
  2. Step 2: Convert to fraction form
    97,784.48/146,653.22 = 45,143.40/x
  3. Step 3: Cross multiply
    97,784.48x = 146,653.22 × 45,143.40
  4. Step 4: Simplify right side
    97,784.48x = 6,620,424,971.75
  5. Step 5: Solve for x
    x = 6,620,424,971.75/97,784.48
  6. Step 6: Final answer
    x = 67,704.25

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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.