Home / 163,606.20-245,409.30-97,121.40

Finding the Fourth Proportional to 163,606.20, 245,409.30 and 97,121.40

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Solution

The fourth proportional to 163,606.20, 245,409.30 and 97,121.40 is: 145,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,606.20 : 245,409.30 = 97,121.40 : x
  2. Step 2: Convert to fraction form
    163,606.20/245,409.30 = 97,121.40/x
  3. Step 3: Cross multiply
    163,606.20x = 245,409.30 × 97,121.40
  4. Step 4: Simplify right side
    163,606.20x = 23,834,494,789.02
  5. Step 5: Solve for x
    x = 23,834,494,789.02/163,606.20
  6. Step 6: Final answer
    x = 145,682.10

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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.