Home / 125,105.95-187,658.25-30,336.06

Finding the Fourth Proportional to 125,105.95, 187,658.25 and 30,336.06

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Solution

The fourth proportional to 125,105.95, 187,658.25 and 30,336.06 is: 45,503.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,105.95 : 187,658.25 = 30,336.06 : x
  2. Step 2: Convert to fraction form
    125,105.95/187,658.25 = 30,336.06/x
  3. Step 3: Cross multiply
    125,105.95x = 187,658.25 × 30,336.06
  4. Step 4: Simplify right side
    125,105.95x = 5,692,812,521.45
  5. Step 5: Solve for x
    x = 5,692,812,521.45/125,105.95
  6. Step 6: Final answer
    x = 45,503.93

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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.