Home / 130,979.56-180,819.98-101,843.32

Finding the Fourth Proportional to 130,979.56, 180,819.98 and 101,843.32

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Solution

The fourth proportional to 130,979.56, 180,819.98 and 101,843.32 is: 140,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,979.56 : 180,819.98 = 101,843.32 : x
  2. Step 2: Convert to fraction form
    130,979.56/180,819.98 = 101,843.32/x
  3. Step 3: Cross multiply
    130,979.56x = 180,819.98 × 101,843.32
  4. Step 4: Simplify right side
    130,979.56x = 18,415,307,085.53
  5. Step 5: Solve for x
    x = 18,415,307,085.53/130,979.56
  6. Step 6: Final answer
    x = 140,596.80

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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.