Home / 175,972.57-242,649.51-130,734.49

Finding the Fourth Proportional to 175,972.57, 242,649.51 and 130,734.49

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Solution

The fourth proportional to 175,972.57, 242,649.51 and 130,734.49 is: 180,270.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,972.57 : 242,649.51 = 130,734.49 : x
  2. Step 2: Convert to fraction form
    175,972.57/242,649.51 = 130,734.49/x
  3. Step 3: Cross multiply
    175,972.57x = 242,649.51 × 130,734.49
  4. Step 4: Simplify right side
    175,972.57x = 31,722,659,938.60
  5. Step 5: Solve for x
    x = 31,722,659,938.60/175,972.57
  6. Step 6: Final answer
    x = 180,270.48

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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.