Home / 115,674.60-173,166.30-68,903.40

Finding the Fourth Proportional to 115,674.60, 173,166.30 and 68,903.40

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Solution

The fourth proportional to 115,674.60, 173,166.30 and 68,903.40 is: 103,149.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,674.60 : 173,166.30 = 68,903.40 : x
  2. Step 2: Convert to fraction form
    115,674.60/173,166.30 = 68,903.40/x
  3. Step 3: Cross multiply
    115,674.60x = 173,166.30 × 68,903.40
  4. Step 4: Simplify right side
    115,674.60x = 11,931,746,835.42
  5. Step 5: Solve for x
    x = 11,931,746,835.42/115,674.60
  6. Step 6: Final answer
    x = 103,149.24

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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.