Home / 126,928.49-190,417.84-56,808.41

Finding the Fourth Proportional to 126,928.49, 190,417.84 and 56,808.41

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Solution

The fourth proportional to 126,928.49, 190,417.84 and 56,808.41 is: 85,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,928.49 : 190,417.84 = 56,808.41 : x
  2. Step 2: Convert to fraction form
    126,928.49/190,417.84 = 56,808.41/x
  3. Step 3: Cross multiply
    126,928.49x = 190,417.84 × 56,808.41
  4. Step 4: Simplify right side
    126,928.49x = 10,817,333,631.92
  5. Step 5: Solve for x
    x = 10,817,333,631.92/126,928.49
  6. Step 6: Final answer
    x = 85,223.85

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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.