Home / 103,440.32-155,160.60-33,330.08

Finding the Fourth Proportional to 103,440.32, 155,160.60 and 33,330.08

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Solution

The fourth proportional to 103,440.32, 155,160.60 and 33,330.08 is: 49,995.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,440.32 : 155,160.60 = 33,330.08 : x
  2. Step 2: Convert to fraction form
    103,440.32/155,160.60 = 33,330.08/x
  3. Step 3: Cross multiply
    103,440.32x = 155,160.60 × 33,330.08
  4. Step 4: Simplify right side
    103,440.32x = 5,171,515,210.85
  5. Step 5: Solve for x
    x = 5,171,515,210.85/103,440.32
  6. Step 6: Final answer
    x = 49,995.16

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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.