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Finding the Fourth Proportional to 180,037.90, 248,450.07 and 99,459.73

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Solution

The fourth proportional to 180,037.90, 248,450.07 and 99,459.73 is: 137,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,037.90 : 248,450.07 = 99,459.73 : x
  2. Step 2: Convert to fraction form
    180,037.90/248,450.07 = 99,459.73/x
  3. Step 3: Cross multiply
    180,037.90x = 248,450.07 × 99,459.73
  4. Step 4: Simplify right side
    180,037.90x = 24,710,776,880.68
  5. Step 5: Solve for x
    x = 24,710,776,880.68/180,037.90
  6. Step 6: Final answer
    x = 137,253.19

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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.