Home / 108,876.23-150,245.30-61,131.59

Finding the Fourth Proportional to 108,876.23, 150,245.30 and 61,131.59

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Solution

The fourth proportional to 108,876.23, 150,245.30 and 61,131.59 is: 84,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876.23 : 150,245.30 = 61,131.59 : x
  2. Step 2: Convert to fraction form
    108,876.23/150,245.30 = 61,131.59/x
  3. Step 3: Cross multiply
    108,876.23x = 150,245.30 × 61,131.59
  4. Step 4: Simplify right side
    108,876.23x = 9,184,733,480.63
  5. Step 5: Solve for x
    x = 9,184,733,480.63/108,876.23
  6. Step 6: Final answer
    x = 84,359.40

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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.