Home / 130,500.26-180,087.35-76,048.95

Finding the Fourth Proportional to 130,500.26, 180,087.35 and 76,048.95

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Solution

The fourth proportional to 130,500.26, 180,087.35 and 76,048.95 is: 104,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,500.26 : 180,087.35 = 76,048.95 : x
  2. Step 2: Convert to fraction form
    130,500.26/180,087.35 = 76,048.95/x
  3. Step 3: Cross multiply
    130,500.26x = 180,087.35 × 76,048.95
  4. Step 4: Simplify right side
    130,500.26x = 13,695,453,495.54
  5. Step 5: Solve for x
    x = 13,695,453,495.54/130,500.26
  6. Step 6: Final answer
    x = 104,945.80

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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.