Home / 180,078.08-248,506.80-99,511.20

Finding the Fourth Proportional to 180,078.08, 248,506.80 and 99,511.20

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Solution

The fourth proportional to 180,078.08, 248,506.80 and 99,511.20 is: 137,324.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,078.08 : 248,506.80 = 99,511.20 : x
  2. Step 2: Convert to fraction form
    180,078.08/248,506.80 = 99,511.20/x
  3. Step 3: Cross multiply
    180,078.08x = 248,506.80 × 99,511.20
  4. Step 4: Simplify right side
    180,078.08x = 24,729,209,876.16
  5. Step 5: Solve for x
    x = 24,729,209,876.16/180,078.08
  6. Step 6: Final answer
    x = 137,324.93

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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.