Home / 108,027.15-149,085-60,281.30

Finding the Fourth Proportional to 108,027.15, 149,085 and 60,281.30

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Solution

The fourth proportional to 108,027.15, 149,085 and 60,281.30 is: 83,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,027.15 : 149,085 = 60,281.30 : x
  2. Step 2: Convert to fraction form
    108,027.15/149,085 = 60,281.30/x
  3. Step 3: Cross multiply
    108,027.15x = 149,085 × 60,281.30
  4. Step 4: Simplify right side
    108,027.15x = 8,987,036,865.08
  5. Step 5: Solve for x
    x = 8,987,036,865.08/108,027.15
  6. Step 6: Final answer
    x = 83,192.39

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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.