Home / 125,153.52-187,728.26-30,384.46

Finding the Fourth Proportional to 125,153.52, 187,728.26 and 30,384.46

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Solution

The fourth proportional to 125,153.52, 187,728.26 and 30,384.46 is: 45,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,153.52 : 187,728.26 = 30,384.46 : x
  2. Step 2: Convert to fraction form
    125,153.52/187,728.26 = 30,384.46/x
  3. Step 3: Cross multiply
    125,153.52x = 187,728.26 × 30,384.46
  4. Step 4: Simplify right side
    125,153.52x = 5,704,021,806.84
  5. Step 5: Solve for x
    x = 5,704,021,806.84/125,153.52
  6. Step 6: Final answer
    x = 45,576.20

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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.