Home / 113,827.80-170,741.70-54,649.20

Finding the Fourth Proportional to 113,827.80, 170,741.70 and 54,649.20

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Solution

The fourth proportional to 113,827.80, 170,741.70 and 54,649.20 is: 81,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,827.80 : 170,741.70 = 54,649.20 : x
  2. Step 2: Convert to fraction form
    113,827.80/170,741.70 = 54,649.20/x
  3. Step 3: Cross multiply
    113,827.80x = 170,741.70 × 54,649.20
  4. Step 4: Simplify right side
    113,827.80x = 9,330,897,311.64
  5. Step 5: Solve for x
    x = 9,330,897,311.64/113,827.80
  6. Step 6: Final answer
    x = 81,973.80

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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.