Home / 157,563.78-236,274.57-45,218.49

Finding the Fourth Proportional to 157,563.78, 236,274.57 and 45,218.49

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Solution

The fourth proportional to 157,563.78, 236,274.57 and 45,218.49 is: 67,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,563.78 : 236,274.57 = 45,218.49 : x
  2. Step 2: Convert to fraction form
    157,563.78/236,274.57 = 45,218.49/x
  3. Step 3: Cross multiply
    157,563.78x = 236,274.57 × 45,218.49
  4. Step 4: Simplify right side
    157,563.78x = 10,683,979,280.80
  5. Step 5: Solve for x
    x = 10,683,979,280.80/157,563.78
  6. Step 6: Final answer
    x = 67,807.33

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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.