Home / 140,553.88-210,913.98-51,869.14

Finding the Fourth Proportional to 140,553.88, 210,913.98 and 51,869.14

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Solution

The fourth proportional to 140,553.88, 210,913.98 and 51,869.14 is: 77,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,553.88 : 210,913.98 = 51,869.14 : x
  2. Step 2: Convert to fraction form
    140,553.88/210,913.98 = 51,869.14/x
  3. Step 3: Cross multiply
    140,553.88x = 210,913.98 × 51,869.14
  4. Step 4: Simplify right side
    140,553.88x = 10,939,926,756.58
  5. Step 5: Solve for x
    x = 10,939,926,756.58/140,553.88
  6. Step 6: Final answer
    x = 77,834.40

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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.