Home / 115,615.40-173,423.10-59,628.20

Finding the Fourth Proportional to 115,615.40, 173,423.10 and 59,628.20

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Solution

The fourth proportional to 115,615.40, 173,423.10 and 59,628.20 is: 89,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,615.40 : 173,423.10 = 59,628.20 : x
  2. Step 2: Convert to fraction form
    115,615.40/173,423.10 = 59,628.20/x
  3. Step 3: Cross multiply
    115,615.40x = 173,423.10 × 59,628.20
  4. Step 4: Simplify right side
    115,615.40x = 10,340,907,291.42
  5. Step 5: Solve for x
    x = 10,340,907,291.42/115,615.40
  6. Step 6: Final answer
    x = 89,442.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.