Home / 108,021.36-149,100.76-62,709.52

Finding the Fourth Proportional to 108,021.36, 149,100.76 and 62,709.52

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Solution

The fourth proportional to 108,021.36, 149,100.76 and 62,709.52 is: 86,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,021.36 : 149,100.76 = 62,709.52 : x
  2. Step 2: Convert to fraction form
    108,021.36/149,100.76 = 62,709.52/x
  3. Step 3: Cross multiply
    108,021.36x = 149,100.76 × 62,709.52
  4. Step 4: Simplify right side
    108,021.36x = 9,350,037,091.24
  5. Step 5: Solve for x
    x = 9,350,037,091.24/108,021.36
  6. Step 6: Final answer
    x = 86,557.30

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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.