Home / 163,607.16-245,542-84,743.94

Finding the Fourth Proportional to 163,607.16, 245,542 and 84,743.94

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Solution

The fourth proportional to 163,607.16, 245,542 and 84,743.94 is: 127,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,607.16 : 245,542 = 84,743.94 : x
  2. Step 2: Convert to fraction form
    163,607.16/245,542 = 84,743.94/x
  3. Step 3: Cross multiply
    163,607.16x = 245,542 × 84,743.94
  4. Step 4: Simplify right side
    163,607.16x = 20,808,196,515.48
  5. Step 5: Solve for x
    x = 20,808,196,515.48/163,607.16
  6. Step 6: Final answer
    x = 127,183.90

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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.