Home / 130,904.39-180,643.33-80,002.27

Finding the Fourth Proportional to 130,904.39, 180,643.33 and 80,002.27

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Solution

The fourth proportional to 130,904.39, 180,643.33 and 80,002.27 is: 110,400.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,904.39 : 180,643.33 = 80,002.27 : x
  2. Step 2: Convert to fraction form
    130,904.39/180,643.33 = 80,002.27/x
  3. Step 3: Cross multiply
    130,904.39x = 180,643.33 × 80,002.27
  4. Step 4: Simplify right side
    130,904.39x = 14,451,876,460.36
  5. Step 5: Solve for x
    x = 14,451,876,460.36/130,904.39
  6. Step 6: Final answer
    x = 110,400.24

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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.