Home / 163,661.04-245,189.16-84,691.44

Finding the Fourth Proportional to 163,661.04, 245,189.16 and 84,691.44

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Solution

The fourth proportional to 163,661.04, 245,189.16 and 84,691.44 is: 126,880.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,661.04 : 245,189.16 = 84,691.44 : x
  2. Step 2: Convert to fraction form
    163,661.04/245,189.16 = 84,691.44/x
  3. Step 3: Cross multiply
    163,661.04x = 245,189.16 × 84,691.44
  4. Step 4: Simplify right side
    163,661.04x = 20,765,423,032.79
  5. Step 5: Solve for x
    x = 20,765,423,032.79/163,661.04
  6. Step 6: Final answer
    x = 126,880.67

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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.