Home / 163,979.02-245,944.05-45,638.02

Finding the Fourth Proportional to 163,979.02, 245,944.05 and 45,638.02

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Solution

The fourth proportional to 163,979.02, 245,944.05 and 45,638.02 is: 68,450.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,979.02 : 245,944.05 = 45,638.02 : x
  2. Step 2: Convert to fraction form
    163,979.02/245,944.05 = 45,638.02/x
  3. Step 3: Cross multiply
    163,979.02x = 245,944.05 × 45,638.02
  4. Step 4: Simplify right side
    163,979.02x = 11,224,399,472.78
  5. Step 5: Solve for x
    x = 11,224,399,472.78/163,979.02
  6. Step 6: Final answer
    x = 68,450.22

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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.