Home / 130,630.80-180,277.63-73,288.28

Finding the Fourth Proportional to 130,630.80, 180,277.63 and 73,288.28

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Solution

The fourth proportional to 130,630.80, 180,277.63 and 73,288.28 is: 101,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,630.80 : 180,277.63 = 73,288.28 : x
  2. Step 2: Convert to fraction form
    130,630.80/180,277.63 = 73,288.28/x
  3. Step 3: Cross multiply
    130,630.80x = 180,277.63 × 73,288.28
  4. Step 4: Simplify right side
    130,630.80x = 13,212,238,104.90
  5. Step 5: Solve for x
    x = 13,212,238,104.90/130,630.80
  6. Step 6: Final answer
    x = 101,141.83

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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.