Home / 99,834.08-149,751.64-40,670.36

Finding the Fourth Proportional to 99,834.08, 149,751.64 and 40,670.36

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Solution

The fourth proportional to 99,834.08, 149,751.64 and 40,670.36 is: 61,005.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,834.08 : 149,751.64 = 40,670.36 : x
  2. Step 2: Convert to fraction form
    99,834.08/149,751.64 = 40,670.36/x
  3. Step 3: Cross multiply
    99,834.08x = 149,751.64 × 40,670.36
  4. Step 4: Simplify right side
    99,834.08x = 6,090,453,109.39
  5. Step 5: Solve for x
    x = 6,090,453,109.39/99,834.08
  6. Step 6: Final answer
    x = 61,005.75

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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.