Home / 131,427.90-197,271.45-64,943.10

Finding the Fourth Proportional to 131,427.90, 197,271.45 and 64,943.10

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Solution

The fourth proportional to 131,427.90, 197,271.45 and 64,943.10 is: 97,478.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,427.90 : 197,271.45 = 64,943.10 : x
  2. Step 2: Convert to fraction form
    131,427.90/197,271.45 = 64,943.10/x
  3. Step 3: Cross multiply
    131,427.90x = 197,271.45 × 64,943.10
  4. Step 4: Simplify right side
    131,427.90x = 12,811,419,504.50
  5. Step 5: Solve for x
    x = 12,811,419,504.50/131,427.90
  6. Step 6: Final answer
    x = 97,478.69

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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.