Home / 210,013.70-314,938.65-91,604.30

Finding the Fourth Proportional to 210,013.70, 314,938.65 and 91,604.30

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Solution

The fourth proportional to 210,013.70, 314,938.65 and 91,604.30 is: 137,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,013.70 : 314,938.65 = 91,604.30 : x
  2. Step 2: Convert to fraction form
    210,013.70/314,938.65 = 91,604.30/x
  3. Step 3: Cross multiply
    210,013.70x = 314,938.65 × 91,604.30
  4. Step 4: Simplify right side
    210,013.70x = 28,849,734,576.20
  5. Step 5: Solve for x
    x = 28,849,734,576.20/210,013.70
  6. Step 6: Final answer
    x = 137,370.73

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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.