Home / 180,205.02-248,701.05-99,638.64

Finding the Fourth Proportional to 180,205.02, 248,701.05 and 99,638.64

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Solution

The fourth proportional to 180,205.02, 248,701.05 and 99,638.64 is: 137,511.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,205.02 : 248,701.05 = 99,638.64 : x
  2. Step 2: Convert to fraction form
    180,205.02/248,701.05 = 99,638.64/x
  3. Step 3: Cross multiply
    180,205.02x = 248,701.05 × 99,638.64
  4. Step 4: Simplify right side
    180,205.02x = 24,780,234,388.57
  5. Step 5: Solve for x
    x = 24,780,234,388.57/180,205.02
  6. Step 6: Final answer
    x = 137,511.34

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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.