Home / 180,439.77-248,985.03-103,983.92

Finding the Fourth Proportional to 180,439.77, 248,985.03 and 103,983.92

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Solution

The fourth proportional to 180,439.77, 248,985.03 and 103,983.92 is: 143,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,439.77 : 248,985.03 = 103,983.92 : x
  2. Step 2: Convert to fraction form
    180,439.77/248,985.03 = 103,983.92/x
  3. Step 3: Cross multiply
    180,439.77x = 248,985.03 × 103,983.92
  4. Step 4: Simplify right side
    180,439.77x = 25,890,438,195.79
  5. Step 5: Solve for x
    x = 25,890,438,195.79/180,439.77
  6. Step 6: Final answer
    x = 143,485.21

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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.