Home / 180,231.12-248,697.24-99,647.76

Finding the Fourth Proportional to 180,231.12, 248,697.24 and 99,647.76

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Solution

The fourth proportional to 180,231.12, 248,697.24 and 99,647.76 is: 137,501.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,231.12 : 248,697.24 = 99,647.76 : x
  2. Step 2: Convert to fraction form
    180,231.12/248,697.24 = 99,647.76/x
  3. Step 3: Cross multiply
    180,231.12x = 248,697.24 × 99,647.76
  4. Step 4: Simplify right side
    180,231.12x = 24,782,122,884.18
  5. Step 5: Solve for x
    x = 24,782,122,884.18/180,231.12
  6. Step 6: Final answer
    x = 137,501.91

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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.