Home / 125,141.98-187,711.40-30,372.94

Finding the Fourth Proportional to 125,141.98, 187,711.40 and 30,372.94

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Solution

The fourth proportional to 125,141.98, 187,711.40 and 30,372.94 is: 45,559.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,141.98 : 187,711.40 = 30,372.94 : x
  2. Step 2: Convert to fraction form
    125,141.98/187,711.40 = 30,372.94/x
  3. Step 3: Cross multiply
    125,141.98x = 187,711.40 × 30,372.94
  4. Step 4: Simplify right side
    125,141.98x = 5,701,347,089.52
  5. Step 5: Solve for x
    x = 5,701,347,089.52/125,141.98
  6. Step 6: Final answer
    x = 45,559.03

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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.