Home / 108,125.16-149,212.44-60,378.12

Finding the Fourth Proportional to 108,125.16, 149,212.44 and 60,378.12

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Solution

The fourth proportional to 108,125.16, 149,212.44 and 60,378.12 is: 83,321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,125.16 : 149,212.44 = 60,378.12 : x
  2. Step 2: Convert to fraction form
    108,125.16/149,212.44 = 60,378.12/x
  3. Step 3: Cross multiply
    108,125.16x = 149,212.44 × 60,378.12
  4. Step 4: Simplify right side
    108,125.16x = 9,009,166,607.81
  5. Step 5: Solve for x
    x = 9,009,166,607.81/108,125.16
  6. Step 6: Final answer
    x = 83,321.65

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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.