Home / 113,379.63-169,810.25-54,256.83

Finding the Fourth Proportional to 113,379.63, 169,810.25 and 54,256.83

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Solution

The fourth proportional to 113,379.63, 169,810.25 and 54,256.83 is: 81,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,379.63 : 169,810.25 = 54,256.83 : x
  2. Step 2: Convert to fraction form
    113,379.63/169,810.25 = 54,256.83/x
  3. Step 3: Cross multiply
    113,379.63x = 169,810.25 × 54,256.83
  4. Step 4: Simplify right side
    113,379.63x = 9,213,365,595.22
  5. Step 5: Solve for x
    x = 9,213,365,595.22/113,379.63
  6. Step 6: Final answer
    x = 81,261.21

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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.