Home / 140,375.36-210,366.24-61,325.12

Finding the Fourth Proportional to 140,375.36, 210,366.24 and 61,325.12

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Solution

The fourth proportional to 140,375.36, 210,366.24 and 61,325.12 is: 91,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,375.36 : 210,366.24 = 61,325.12 : x
  2. Step 2: Convert to fraction form
    140,375.36/210,366.24 = 61,325.12/x
  3. Step 3: Cross multiply
    140,375.36x = 210,366.24 × 61,325.12
  4. Step 4: Simplify right side
    140,375.36x = 12,900,734,911.95
  5. Step 5: Solve for x
    x = 12,900,734,911.95/140,375.36
  6. Step 6: Final answer
    x = 91,901.70

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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.