Home / 103,670.08-154,435.18-100,533.86

Finding the Fourth Proportional to 103,670.08, 154,435.18 and 100,533.86

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Solution

The fourth proportional to 103,670.08, 154,435.18 and 100,533.86 is: 149,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,670.08 : 154,435.18 = 100,533.86 : x
  2. Step 2: Convert to fraction form
    103,670.08/154,435.18 = 100,533.86/x
  3. Step 3: Cross multiply
    103,670.08x = 154,435.18 × 100,533.86
  4. Step 4: Simplify right side
    103,670.08x = 15,525,964,765.19
  5. Step 5: Solve for x
    x = 15,525,964,765.19/103,670.08
  6. Step 6: Final answer
    x = 149,763.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.