Home / 97,984.32-146,894.16-45,431.52

Finding the Fourth Proportional to 97,984.32, 146,894.16 and 45,431.52

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Solution

The fourth proportional to 97,984.32, 146,894.16 and 45,431.52 is: 68,109.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,984.32 : 146,894.16 = 45,431.52 : x
  2. Step 2: Convert to fraction form
    97,984.32/146,894.16 = 45,431.52/x
  3. Step 3: Cross multiply
    97,984.32x = 146,894.16 × 45,431.52
  4. Step 4: Simplify right side
    97,984.32x = 6,673,624,967.92
  5. Step 5: Solve for x
    x = 6,673,624,967.92/97,984.32
  6. Step 6: Final answer
    x = 68,109.11

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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.