Home / 100,005.08-150,007.77-40,840.75

Finding the Fourth Proportional to 100,005.08, 150,007.77 and 40,840.75

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Solution

The fourth proportional to 100,005.08, 150,007.77 and 40,840.75 is: 61,261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,005.08 : 150,007.77 = 40,840.75 : x
  2. Step 2: Convert to fraction form
    100,005.08/150,007.77 = 40,840.75/x
  3. Step 3: Cross multiply
    100,005.08x = 150,007.77 × 40,840.75
  4. Step 4: Simplify right side
    100,005.08x = 6,126,429,832.63
  5. Step 5: Solve for x
    x = 6,126,429,832.63/100,005.08
  6. Step 6: Final answer
    x = 61,261.19

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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.