Home / 110,930.32-153,099.78-63,188.20

Finding the Fourth Proportional to 110,930.32, 153,099.78 and 63,188.20

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Solution

The fourth proportional to 110,930.32, 153,099.78 and 63,188.20 is: 87,208.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,930.32 : 153,099.78 = 63,188.20 : x
  2. Step 2: Convert to fraction form
    110,930.32/153,099.78 = 63,188.20/x
  3. Step 3: Cross multiply
    110,930.32x = 153,099.78 × 63,188.20
  4. Step 4: Simplify right side
    110,930.32x = 9,674,099,518.60
  5. Step 5: Solve for x
    x = 9,674,099,518.60/110,930.32
  6. Step 6: Final answer
    x = 87,208.79

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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.