Home / 108,790.40-163,073.33-45,647.20

Finding the Fourth Proportional to 108,790.40, 163,073.33 and 45,647.20

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Solution

The fourth proportional to 108,790.40, 163,073.33 and 45,647.20 is: 68,423.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,790.40 : 163,073.33 = 45,647.20 : x
  2. Step 2: Convert to fraction form
    108,790.40/163,073.33 = 45,647.20/x
  3. Step 3: Cross multiply
    108,790.40x = 163,073.33 × 45,647.20
  4. Step 4: Simplify right side
    108,790.40x = 7,443,840,909.18
  5. Step 5: Solve for x
    x = 7,443,840,909.18/108,790.40
  6. Step 6: Final answer
    x = 68,423.69

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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.