Home / 126,555.32-174,640.92-72,803.72

Finding the Fourth Proportional to 126,555.32, 174,640.92 and 72,803.72

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Solution

The fourth proportional to 126,555.32, 174,640.92 and 72,803.72 is: 100,466.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,555.32 : 174,640.92 = 72,803.72 : x
  2. Step 2: Convert to fraction form
    126,555.32/174,640.92 = 72,803.72/x
  3. Step 3: Cross multiply
    126,555.32x = 174,640.92 × 72,803.72
  4. Step 4: Simplify right side
    126,555.32x = 12,714,508,640.22
  5. Step 5: Solve for x
    x = 12,714,508,640.22/126,555.32
  6. Step 6: Final answer
    x = 100,466.01

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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.