Home / 108,614.21-149,881.43-63,299.57

Finding the Fourth Proportional to 108,614.21, 149,881.43 and 63,299.57

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Solution

The fourth proportional to 108,614.21, 149,881.43 and 63,299.57 is: 87,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,614.21 : 149,881.43 = 63,299.57 : x
  2. Step 2: Convert to fraction form
    108,614.21/149,881.43 = 63,299.57/x
  3. Step 3: Cross multiply
    108,614.21x = 149,881.43 × 63,299.57
  4. Step 4: Simplify right side
    108,614.21x = 9,487,429,478.83
  5. Step 5: Solve for x
    x = 9,487,429,478.83/108,614.21
  6. Step 6: Final answer
    x = 87,349.80

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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.