Home / 97,110.88-145,724.64-40,947.52

Finding the Fourth Proportional to 97,110.88, 145,724.64 and 40,947.52

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Solution

The fourth proportional to 97,110.88, 145,724.64 and 40,947.52 is: 61,445.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,110.88 : 145,724.64 = 40,947.52 : x
  2. Step 2: Convert to fraction form
    97,110.88/145,724.64 = 40,947.52/x
  3. Step 3: Cross multiply
    97,110.88x = 145,724.64 × 40,947.52
  4. Step 4: Simplify right side
    97,110.88x = 5,967,062,610.89
  5. Step 5: Solve for x
    x = 5,967,062,610.89/97,110.88
  6. Step 6: Final answer
    x = 61,445.87

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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.