Home / 125,860.80-173,668.04-72,135.52

Finding the Fourth Proportional to 125,860.80, 173,668.04 and 72,135.52

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Solution

The fourth proportional to 125,860.80, 173,668.04 and 72,135.52 is: 99,535.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,860.80 : 173,668.04 = 72,135.52 : x
  2. Step 2: Convert to fraction form
    125,860.80/173,668.04 = 72,135.52/x
  3. Step 3: Cross multiply
    125,860.80x = 173,668.04 × 72,135.52
  4. Step 4: Simplify right side
    125,860.80x = 12,527,634,372.78
  5. Step 5: Solve for x
    x = 12,527,634,372.78/125,860.80
  6. Step 6: Final answer
    x = 99,535.63

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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.