Home / 163,513.92-245,219.04-52,680

Finding the Fourth Proportional to 163,513.92, 245,219.04 and 52,680

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Solution

The fourth proportional to 163,513.92, 245,219.04 and 52,680 is: 79,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,513.92 : 245,219.04 = 52,680 : x
  2. Step 2: Convert to fraction form
    163,513.92/245,219.04 = 52,680/x
  3. Step 3: Cross multiply
    163,513.92x = 245,219.04 × 52,680
  4. Step 4: Simplify right side
    163,513.92x = 12,918,139,027.20
  5. Step 5: Solve for x
    x = 12,918,139,027.20/163,513.92
  6. Step 6: Final answer
    x = 79,003.30

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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.