Home / 97,243.72-145,862.80-53,149.74

Finding the Fourth Proportional to 97,243.72, 145,862.80 and 53,149.74

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Solution

The fourth proportional to 97,243.72, 145,862.80 and 53,149.74 is: 79,723.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,243.72 : 145,862.80 = 53,149.74 : x
  2. Step 2: Convert to fraction form
    97,243.72/145,862.80 = 53,149.74/x
  3. Step 3: Cross multiply
    97,243.72x = 145,862.80 × 53,149.74
  4. Step 4: Simplify right side
    97,243.72x = 7,752,569,895.67
  5. Step 5: Solve for x
    x = 7,752,569,895.67/97,243.72
  6. Step 6: Final answer
    x = 79,723.09

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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.