Home / 155,108.64-232,488.50-78,993.64

Finding the Fourth Proportional to 155,108.64, 232,488.50 and 78,993.64

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Solution

The fourth proportional to 155,108.64, 232,488.50 and 78,993.64 is: 118,401.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,108.64 : 232,488.50 = 78,993.64 : x
  2. Step 2: Convert to fraction form
    155,108.64/232,488.50 = 78,993.64/x
  3. Step 3: Cross multiply
    155,108.64x = 232,488.50 × 78,993.64
  4. Step 4: Simplify right side
    155,108.64x = 18,365,112,873.14
  5. Step 5: Solve for x
    x = 18,365,112,873.14/155,108.64
  6. Step 6: Final answer
    x = 118,401.61

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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.