Home / 115,746.30-173,619.45-68,312.70

Finding the Fourth Proportional to 115,746.30, 173,619.45 and 68,312.70

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Solution

The fourth proportional to 115,746.30, 173,619.45 and 68,312.70 is: 102,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,746.30 : 173,619.45 = 68,312.70 : x
  2. Step 2: Convert to fraction form
    115,746.30/173,619.45 = 68,312.70/x
  3. Step 3: Cross multiply
    115,746.30x = 173,619.45 × 68,312.70
  4. Step 4: Simplify right side
    115,746.30x = 11,860,413,402.02
  5. Step 5: Solve for x
    x = 11,860,413,402.02/115,746.30
  6. Step 6: Final answer
    x = 102,469.05

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1.5x scale

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.