Home / 140,561.20-210,914.70-61,683.40

Finding the Fourth Proportional to 140,561.20, 210,914.70 and 61,683.40

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Solution

The fourth proportional to 140,561.20, 210,914.70 and 61,683.40 is: 92,557.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,561.20 : 210,914.70 = 61,683.40 : x
  2. Step 2: Convert to fraction form
    140,561.20/210,914.70 = 61,683.40/x
  3. Step 3: Cross multiply
    140,561.20x = 210,914.70 × 61,683.40
  4. Step 4: Simplify right side
    140,561.20x = 13,009,935,805.98
  5. Step 5: Solve for x
    x = 13,009,935,805.98/140,561.20
  6. Step 6: Final answer
    x = 92,557.09

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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.