Home / 126,695.10-190,095.63-55,581.05

Finding the Fourth Proportional to 126,695.10, 190,095.63 and 55,581.05

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Solution

The fourth proportional to 126,695.10, 190,095.63 and 55,581.05 is: 83,394.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,695.10 : 190,095.63 = 55,581.05 : x
  2. Step 2: Convert to fraction form
    126,695.10/190,095.63 = 55,581.05/x
  3. Step 3: Cross multiply
    126,695.10x = 190,095.63 × 55,581.05
  4. Step 4: Simplify right side
    126,695.10x = 10,565,714,982.62
  5. Step 5: Solve for x
    x = 10,565,714,982.62/126,695.10
  6. Step 6: Final answer
    x = 83,394.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.