Home / 131,045.40-196,403.58-56,077.38

Finding the Fourth Proportional to 131,045.40, 196,403.58 and 56,077.38

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Solution

The fourth proportional to 131,045.40, 196,403.58 and 56,077.38 is: 84,045.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,045.40 : 196,403.58 = 56,077.38 : x
  2. Step 2: Convert to fraction form
    131,045.40/196,403.58 = 56,077.38/x
  3. Step 3: Cross multiply
    131,045.40x = 196,403.58 × 56,077.38
  4. Step 4: Simplify right side
    131,045.40x = 11,013,798,189.02
  5. Step 5: Solve for x
    x = 11,013,798,189.02/131,045.40
  6. Step 6: Final answer
    x = 84,045.67

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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.