Home / 130,630.50-180,272.21-73,282.59

Finding the Fourth Proportional to 130,630.50, 180,272.21 and 73,282.59

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Solution

The fourth proportional to 130,630.50, 180,272.21 and 73,282.59 is: 101,131.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,630.50 : 180,272.21 = 73,282.59 : x
  2. Step 2: Convert to fraction form
    130,630.50/180,272.21 = 73,282.59/x
  3. Step 3: Cross multiply
    130,630.50x = 180,272.21 × 73,282.59
  4. Step 4: Simplify right side
    130,630.50x = 13,210,814,087.41
  5. Step 5: Solve for x
    x = 13,210,814,087.41/130,630.50
  6. Step 6: Final answer
    x = 101,131.16

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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.