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Finding the Fourth Proportional to 199,487.73, 275,328.68 and 118,920.41

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Solution

The fourth proportional to 199,487.73, 275,328.68 and 118,920.41 is: 164,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,487.73 : 275,328.68 = 118,920.41 : x
  2. Step 2: Convert to fraction form
    199,487.73/275,328.68 = 118,920.41/x
  3. Step 3: Cross multiply
    199,487.73x = 275,328.68 × 118,920.41
  4. Step 4: Simplify right side
    199,487.73x = 32,742,199,510.36
  5. Step 5: Solve for x
    x = 32,742,199,510.36/199,487.73
  6. Step 6: Final answer
    x = 164,131.40

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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.