Home / 126,188.46-174,139.74-72,476.96

Finding the Fourth Proportional to 126,188.46, 174,139.74 and 72,476.96

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Solution

The fourth proportional to 126,188.46, 174,139.74 and 72,476.96 is: 100,018.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,188.46 : 174,139.74 = 72,476.96 : x
  2. Step 2: Convert to fraction form
    126,188.46/174,139.74 = 72,476.96/x
  3. Step 3: Cross multiply
    126,188.46x = 174,139.74 × 72,476.96
  4. Step 4: Simplify right side
    126,188.46x = 12,621,118,970.39
  5. Step 5: Solve for x
    x = 12,621,118,970.39/126,188.46
  6. Step 6: Final answer
    x = 100,018.01

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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.