Home / 113,406.24-169,745.55-75,368.25

Finding the Fourth Proportional to 113,406.24, 169,745.55 and 75,368.25

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Solution

The fourth proportional to 113,406.24, 169,745.55 and 75,368.25 is: 112,810.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,406.24 : 169,745.55 = 75,368.25 : x
  2. Step 2: Convert to fraction form
    113,406.24/169,745.55 = 75,368.25/x
  3. Step 3: Cross multiply
    113,406.24x = 169,745.55 × 75,368.25
  4. Step 4: Simplify right side
    113,406.24x = 12,793,425,048.79
  5. Step 5: Solve for x
    x = 12,793,425,048.79/113,406.24
  6. Step 6: Final answer
    x = 112,810.59

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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.