Home / 108,440.06-149,647.25-60,693.40

Finding the Fourth Proportional to 108,440.06, 149,647.25 and 60,693.40

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Solution

The fourth proportional to 108,440.06, 149,647.25 and 60,693.40 is: 83,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,440.06 : 149,647.25 = 60,693.40 : x
  2. Step 2: Convert to fraction form
    108,440.06/149,647.25 = 60,693.40/x
  3. Step 3: Cross multiply
    108,440.06x = 149,647.25 × 60,693.40
  4. Step 4: Simplify right side
    108,440.06x = 9,082,600,741.94
  5. Step 5: Solve for x
    x = 9,082,600,741.94/108,440.06
  6. Step 6: Final answer
    x = 83,756.88

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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.