Home / 99,655.08-149,313.48-60,129.18

Finding the Fourth Proportional to 99,655.08, 149,313.48 and 60,129.18

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Solution

The fourth proportional to 99,655.08, 149,313.48 and 60,129.18 is: 90,091.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,655.08 : 149,313.48 = 60,129.18 : x
  2. Step 2: Convert to fraction form
    99,655.08/149,313.48 = 60,129.18/x
  3. Step 3: Cross multiply
    99,655.08x = 149,313.48 × 60,129.18
  4. Step 4: Simplify right side
    99,655.08x = 8,978,097,115.35
  5. Step 5: Solve for x
    x = 8,978,097,115.35/99,655.08
  6. Step 6: Final answer
    x = 90,091.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.