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Finding the Fourth Proportional to 180,030, 248,438.46 and 99,460.92

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Solution

The fourth proportional to 180,030, 248,438.46 and 99,460.92 is: 137,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,030 : 248,438.46 = 99,460.92 : x
  2. Step 2: Convert to fraction form
    180,030/248,438.46 = 99,460.92/x
  3. Step 3: Cross multiply
    180,030x = 248,438.46 × 99,460.92
  4. Step 4: Simplify right side
    180,030x = 24,709,917,794.98
  5. Step 5: Solve for x
    x = 24,709,917,794.98/180,030
  6. Step 6: Final answer
    x = 137,254.45

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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.