Home / 97,889.40-146,811.96-45,270

Finding the Fourth Proportional to 97,889.40, 146,811.96 and 45,270

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Solution

The fourth proportional to 97,889.40, 146,811.96 and 45,270 is: 67,894.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,889.40 : 146,811.96 = 45,270 : x
  2. Step 2: Convert to fraction form
    97,889.40/146,811.96 = 45,270/x
  3. Step 3: Cross multiply
    97,889.40x = 146,811.96 × 45,270
  4. Step 4: Simplify right side
    97,889.40x = 6,646,177,429.20
  5. Step 5: Solve for x
    x = 6,646,177,429.20/97,889.40
  6. Step 6: Final answer
    x = 67,894.76

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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.