Home / 194,720.10-292,128.75-54,477.51

Finding the Fourth Proportional to 194,720.10, 292,128.75 and 54,477.51

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Solution

The fourth proportional to 194,720.10, 292,128.75 and 54,477.51 is: 81,729.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,720.10 : 292,128.75 = 54,477.51 : x
  2. Step 2: Convert to fraction form
    194,720.10/292,128.75 = 54,477.51/x
  3. Step 3: Cross multiply
    194,720.10x = 292,128.75 × 54,477.51
  4. Step 4: Simplify right side
    194,720.10x = 15,914,446,899.41
  5. Step 5: Solve for x
    x = 15,914,446,899.41/194,720.10
  6. Step 6: Final answer
    x = 81,729.86

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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.