Home / 125,525.50-173,182.79-71,772.28

Finding the Fourth Proportional to 125,525.50, 173,182.79 and 71,772.28

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Solution

The fourth proportional to 125,525.50, 173,182.79 and 71,772.28 is: 99,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,525.50 : 173,182.79 = 71,772.28 : x
  2. Step 2: Convert to fraction form
    125,525.50/173,182.79 = 71,772.28/x
  3. Step 3: Cross multiply
    125,525.50x = 173,182.79 × 71,772.28
  4. Step 4: Simplify right side
    125,525.50x = 12,429,723,441.53
  5. Step 5: Solve for x
    x = 12,429,723,441.53/125,525.50
  6. Step 6: Final answer
    x = 99,021.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.