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Finding the Fourth Proportional to 175,038.20, 261,901.20 and 115,989.20

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Solution

The fourth proportional to 175,038.20, 261,901.20 and 115,989.20 is: 173,549.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,038.20 : 261,901.20 = 115,989.20 : x
  2. Step 2: Convert to fraction form
    175,038.20/261,901.20 = 115,989.20/x
  3. Step 3: Cross multiply
    175,038.20x = 261,901.20 × 115,989.20
  4. Step 4: Simplify right side
    175,038.20x = 30,377,710,667.04
  5. Step 5: Solve for x
    x = 30,377,710,667.04/175,038.20
  6. Step 6: Final answer
    x = 173,549.03

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1.5x scale

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.