Home / 199,497.06-275,265.63-126,928.74

Finding the Fourth Proportional to 199,497.06, 275,265.63 and 126,928.74

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Solution

The fourth proportional to 199,497.06, 275,265.63 and 126,928.74 is: 175,136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,497.06 : 275,265.63 = 126,928.74 : x
  2. Step 2: Convert to fraction form
    199,497.06/275,265.63 = 126,928.74/x
  3. Step 3: Cross multiply
    199,497.06x = 275,265.63 × 126,928.74
  4. Step 4: Simplify right side
    199,497.06x = 34,939,119,581.21
  5. Step 5: Solve for x
    x = 34,939,119,581.21/199,497.06
  6. Step 6: Final answer
    x = 175,136.01

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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.