Home / 146,007.08-201,483.83-81,479.12

Finding the Fourth Proportional to 146,007.08, 201,483.83 and 81,479.12

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Solution

The fourth proportional to 146,007.08, 201,483.83 and 81,479.12 is: 112,437.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,007.08 : 201,483.83 = 81,479.12 : x
  2. Step 2: Convert to fraction form
    146,007.08/201,483.83 = 81,479.12/x
  3. Step 3: Cross multiply
    146,007.08x = 201,483.83 × 81,479.12
  4. Step 4: Simplify right side
    146,007.08x = 16,416,724,129.75
  5. Step 5: Solve for x
    x = 16,416,724,129.75/146,007.08
  6. Step 6: Final answer
    x = 112,437.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.