Home / 97,152.54-145,728.84-74,998.26

Finding the Fourth Proportional to 97,152.54, 145,728.84 and 74,998.26

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Solution

The fourth proportional to 97,152.54, 145,728.84 and 74,998.26 is: 112,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,152.54 : 145,728.84 = 74,998.26 : x
  2. Step 2: Convert to fraction form
    97,152.54/145,728.84 = 74,998.26/x
  3. Step 3: Cross multiply
    97,152.54x = 145,728.84 × 74,998.26
  4. Step 4: Simplify right side
    97,152.54x = 10,929,409,431.82
  5. Step 5: Solve for x
    x = 10,929,409,431.82/97,152.54
  6. Step 6: Final answer
    x = 112,497.41

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1.5x scale

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.