Home / 140,545.36-210,846.24-51,799.30

Finding the Fourth Proportional to 140,545.36, 210,846.24 and 51,799.30

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Solution

The fourth proportional to 140,545.36, 210,846.24 and 51,799.30 is: 77,709.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,545.36 : 210,846.24 = 51,799.30 : x
  2. Step 2: Convert to fraction form
    140,545.36/210,846.24 = 51,799.30/x
  3. Step 3: Cross multiply
    140,545.36x = 210,846.24 × 51,799.30
  4. Step 4: Simplify right side
    140,545.36x = 10,921,687,639.63
  5. Step 5: Solve for x
    x = 10,921,687,639.63/140,545.36
  6. Step 6: Final answer
    x = 77,709.34

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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.